20203560

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1439}}^1$

素因数の和:1472

約数の個数: 128

約数和(自身を含む): 72576000

約数和(自身を除く): 52372440

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 27, 30, 36, 39, 40, 45, 52, 54, 60, 65, 72, 78, 90, 104, 108, 117, 120, 130, 135, 156, 180, 195, 216, 234, 260, 270, 312, 351, 360, 390, 468, 520, 540, 585, 702, 780, 936, 1080, 1170, 1404, 1439, 1560, 1755, 2340, 2808, 2878, 3510, 4317, 4680, 5756, 7020, 7195, 8634, 11512, 12951, 14040, 14390, 17268, 18707, 21585, 25902, 28780, 34536, 37414, 38853, 43170, 51804, 56121, 57560, 64755, 74828, 77706, 86340, 93535, 103608, 112242, 129510, 149656, 155412, 168363, 172680, 187070, 194265, 224484, 259020, 280605, 310824, 336726, 374140, 388530, 448968, 505089, 518040, 561210, 673452, 748280, 777060, 841815, 1010178, 1122420, 1346904, 1554120, 1683630, 2020356, 2244840, 2525445, 3367260, 4040712, 5050890, 6734520, 10101780, 20203560]

約数ペア:

[(1, 20203560), (2, 10101780), (3, 6734520), (4, 5050890), (5, 4040712), (6, 3367260), (8, 2525445), (9, 2244840), (10, 2020356), (12, 1683630), (13, 1554120), (15, 1346904), (18, 1122420), (20, 1010178), (24, 841815), (26, 777060), (27, 748280), (30, 673452), (36, 561210), (39, 518040), (40, 505089), (45, 448968), (52, 388530), (54, 374140), (60, 336726), (65, 310824), (72, 280605), (78, 259020), (90, 224484), (104, 194265), (108, 187070), (117, 172680), (120, 168363), (130, 155412), (135, 149656), (156, 129510), (180, 112242), (195, 103608), (216, 93535), (234, 86340), (260, 77706), (270, 74828), (312, 64755), (351, 57560), (360, 56121), (390, 51804), (468, 43170), (520, 38853), (540, 37414), (585, 34536), (702, 28780), (780, 25902), (936, 21585), (1080, 18707), (1170, 17268), (1404, 14390), (1439, 14040), (1560, 12951), (1755, 11512), (2340, 8634), (2808, 7195), (2878, 7020), (3510, 5756), (4317, 4680)]