20347960340

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{433}}^1\times {\mathrm{1031}}^1$

素因数の和:1569

約数の個数: 96

約数和(自身を含む): 44695639296

約数和(自身を除く): 24347678956

約数列:

[1, 2, 4, 5, 10, 20, 43, 53, 86, 106, 172, 212, 215, 265, 430, 433, 530, 860, 866, 1031, 1060, 1732, 2062, 2165, 2279, 4124, 4330, 4558, 5155, 8660, 9116, 10310, 11395, 18619, 20620, 22790, 22949, 37238, 44333, 45580, 45898, 54643, 74476, 88666, 91796, 93095, 109286, 114745, 177332, 186190, 218572, 221665, 229490, 273215, 372380, 443330, 446423, 458980, 546430, 886660, 892846, 986807, 1092860, 1785692, 1973614, 2232115, 2349649, 3947228, 4464230, 4699298, 4934035, 8928460, 9398596, 9868070, 11748245, 19196189, 19736140, 23496490, 23660419, 38392378, 46992980, 47320838, 76784756, 94641676, 95980945, 118302095, 191961890, 236604190, 383923780, 473208380, 1017398017, 2034796034, 4069592068, 5086990085, 10173980170, 20347960340]

約数ペア:

[(1, 20347960340), (2, 10173980170), (4, 5086990085), (5, 4069592068), (10, 2034796034), (20, 1017398017), (43, 473208380), (53, 383923780), (86, 236604190), (106, 191961890), (172, 118302095), (212, 95980945), (215, 94641676), (265, 76784756), (430, 47320838), (433, 46992980), (530, 38392378), (860, 23660419), (866, 23496490), (1031, 19736140), (1060, 19196189), (1732, 11748245), (2062, 9868070), (2165, 9398596), (2279, 8928460), (4124, 4934035), (4330, 4699298), (4558, 4464230), (5155, 3947228), (8660, 2349649), (9116, 2232115), (10310, 1973614), (11395, 1785692), (18619, 1092860), (20620, 986807), (22790, 892846), (22949, 886660), (37238, 546430), (44333, 458980), (45580, 446423), (45898, 443330), (54643, 372380), (74476, 273215), (88666, 229490), (91796, 221665), (93095, 218572), (109286, 186190), (114745, 177332)]