20300040

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1$

素因数の和:172

約数の個数: 192

約数和(自身を含む): 72783360

約数和(自身を除く): 52483320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 20, 24, 30, 31, 34, 36, 40, 45, 51, 60, 62, 68, 72, 85, 90, 93, 102, 107, 120, 124, 136, 153, 155, 170, 180, 186, 204, 214, 248, 255, 279, 306, 310, 321, 340, 360, 372, 408, 428, 465, 510, 527, 535, 558, 612, 620, 642, 680, 744, 765, 856, 930, 963, 1020, 1054, 1070, 1116, 1224, 1240, 1284, 1395, 1530, 1581, 1605, 1819, 1860, 1926, 2040, 2108, 2140, 2232, 2568, 2635, 2790, 3060, 3162, 3210, 3317, 3638, 3720, 3852, 4216, 4280, 4743, 4815, 5270, 5457, 5580, 6120, 6324, 6420, 6634, 7276, 7704, 7905, 9095, 9486, 9630, 9951, 10540, 10914, 11160, 12648, 12840, 13268, 14552, 15810, 16371, 16585, 18190, 18972, 19260, 19902, 21080, 21828, 23715, 26536, 27285, 29853, 31620, 32742, 33170, 36380, 37944, 38520, 39804, 43656, 47430, 49755, 54570, 56389, 59706, 63240, 65484, 66340, 72760, 79608, 81855, 94860, 99510, 109140, 112778, 119412, 130968, 132680, 149265, 163710, 169167, 189720, 199020, 218280, 225556, 238824, 281945, 298530, 327420, 338334, 398040, 451112, 507501, 563890, 597060, 654840, 676668, 845835, 1015002, 1127780, 1194120, 1353336, 1691670, 2030004, 2255560, 2537505, 3383340, 4060008, 5075010, 6766680, 10150020, 20300040]

約数ペア:

[(1, 20300040), (2, 10150020), (3, 6766680), (4, 5075010), (5, 4060008), (6, 3383340), (8, 2537505), (9, 2255560), (10, 2030004), (12, 1691670), (15, 1353336), (17, 1194120), (18, 1127780), (20, 1015002), (24, 845835), (30, 676668), (31, 654840), (34, 597060), (36, 563890), (40, 507501), (45, 451112), (51, 398040), (60, 338334), (62, 327420), (68, 298530), (72, 281945), (85, 238824), (90, 225556), (93, 218280), (102, 199020), (107, 189720), (120, 169167), (124, 163710), (136, 149265), (153, 132680), (155, 130968), (170, 119412), (180, 112778), (186, 109140), (204, 99510), (214, 94860), (248, 81855), (255, 79608), (279, 72760), (306, 66340), (310, 65484), (321, 63240), (340, 59706), (360, 56389), (372, 54570), (408, 49755), (428, 47430), (465, 43656), (510, 39804), (527, 38520), (535, 37944), (558, 36380), (612, 33170), (620, 32742), (642, 31620), (680, 29853), (744, 27285), (765, 26536), (856, 23715), (930, 21828), (963, 21080), (1020, 19902), (1054, 19260), (1070, 18972), (1116, 18190), (1224, 16585), (1240, 16371), (1284, 15810), (1395, 14552), (1530, 13268), (1581, 12840), (1605, 12648), (1819, 11160), (1860, 10914), (1926, 10540), (2040, 9951), (2108, 9630), (2140, 9486), (2232, 9095), (2568, 7905), (2635, 7704), (2790, 7276), (3060, 6634), (3162, 6420), (3210, 6324), (3317, 6120), (3638, 5580), (3720, 5457), (3852, 5270), (4216, 4815), (4280, 4743)]