20216398440

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{64871}}^1$

素因数の和:64952

約数の個数: 192

約数和(自身を含む): 71883365760

約数和(自身を除く): 51666967320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 49, 53, 56, 60, 70, 84, 98, 105, 106, 120, 140, 147, 159, 168, 196, 210, 212, 245, 265, 280, 294, 318, 371, 392, 420, 424, 490, 530, 588, 636, 735, 742, 795, 840, 980, 1060, 1113, 1176, 1272, 1470, 1484, 1590, 1855, 1960, 2120, 2226, 2597, 2940, 2968, 3180, 3710, 4452, 5194, 5565, 5880, 6360, 7420, 7791, 8904, 10388, 11130, 12985, 14840, 15582, 20776, 22260, 25970, 31164, 38955, 44520, 51940, 62328, 64871, 77910, 103880, 129742, 155820, 194613, 259484, 311640, 324355, 389226, 454097, 518968, 648710, 778452, 908194, 973065, 1297420, 1362291, 1556904, 1816388, 1946130, 2270485, 2594840, 2724582, 3178679, 3438163, 3632776, 3892260, 4540970, 5449164, 6357358, 6811455, 6876326, 7784520, 9081940, 9536037, 10314489, 10898328, 12714716, 13622910, 13752652, 15893395, 17190815, 18163880, 19072074, 20628978, 24067141, 25429432, 27245820, 27505304, 31786790, 34381630, 38144148, 41257956, 47680185, 48134282, 51572445, 54491640, 63573580, 68763260, 72201423, 76288296, 82515912, 95360370, 96268564, 103144890, 120335705, 127147160, 137526520, 144402846, 168469987, 190720740, 192537128, 206289780, 240671410, 288805692, 336939974, 361007115, 381441480, 412579560, 481342820, 505409961, 577611384, 673879948, 722014230, 842349935, 962685640, 1010819922, 1347759896, 1444028460, 1684699870, 2021639844, 2527049805, 2888056920, 3369399740, 4043279688, 5054099610, 6738799480, 10108199220, 20216398440]

約数ペア:

[(1, 20216398440), (2, 10108199220), (3, 6738799480), (4, 5054099610), (5, 4043279688), (6, 3369399740), (7, 2888056920), (8, 2527049805), (10, 2021639844), (12, 1684699870), (14, 1444028460), (15, 1347759896), (20, 1010819922), (21, 962685640), (24, 842349935), (28, 722014230), (30, 673879948), (35, 577611384), (40, 505409961), (42, 481342820), (49, 412579560), (53, 381441480), (56, 361007115), (60, 336939974), (70, 288805692), (84, 240671410), (98, 206289780), (105, 192537128), (106, 190720740), (120, 168469987), (140, 144402846), (147, 137526520), (159, 127147160), (168, 120335705), (196, 103144890), (210, 96268564), (212, 95360370), (245, 82515912), (265, 76288296), (280, 72201423), (294, 68763260), (318, 63573580), (371, 54491640), (392, 51572445), (420, 48134282), (424, 47680185), (490, 41257956), (530, 38144148), (588, 34381630), (636, 31786790), (735, 27505304), (742, 27245820), (795, 25429432), (840, 24067141), (980, 20628978), (1060, 19072074), (1113, 18163880), (1176, 17190815), (1272, 15893395), (1470, 13752652), (1484, 13622910), (1590, 12714716), (1855, 10898328), (1960, 10314489), (2120, 9536037), (2226, 9081940), (2597, 7784520), (2940, 6876326), (2968, 6811455), (3180, 6357358), (3710, 5449164), (4452, 4540970), (5194, 3892260), (5565, 3632776), (5880, 3438163), (6360, 3178679), (7420, 2724582), (7791, 2594840), (8904, 2270485), (10388, 1946130), (11130, 1816388), (12985, 1556904), (14840, 1362291), (15582, 1297420), (20776, 973065), (22260, 908194), (25970, 778452), (31164, 648710), (38955, 518968), (44520, 454097), (51940, 389226), (62328, 324355), (64871, 311640), (77910, 259484), (103880, 194613), (129742, 155820)]