20258004

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1$

素因数の和:181

約数の個数: 96

約数和(自身を含む): 54190080

約数和(自身を除く): 33932076

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 31, 39, 52, 59, 62, 71, 78, 93, 118, 124, 142, 156, 177, 186, 213, 236, 284, 354, 372, 403, 426, 708, 767, 806, 852, 923, 1209, 1534, 1612, 1829, 1846, 2201, 2301, 2418, 2769, 3068, 3658, 3692, 4189, 4402, 4602, 4836, 5487, 5538, 6603, 7316, 8378, 8804, 9204, 10974, 11076, 12567, 13206, 16756, 21948, 23777, 25134, 26412, 28613, 47554, 50268, 54457, 57226, 71331, 85839, 95108, 108914, 114452, 129859, 142662, 163371, 171678, 217828, 259718, 285324, 326742, 343356, 389577, 519436, 653484, 779154, 1558308, 1688167, 3376334, 5064501, 6752668, 10129002, 20258004]

約数ペア:

[(1, 20258004), (2, 10129002), (3, 6752668), (4, 5064501), (6, 3376334), (12, 1688167), (13, 1558308), (26, 779154), (31, 653484), (39, 519436), (52, 389577), (59, 343356), (62, 326742), (71, 285324), (78, 259718), (93, 217828), (118, 171678), (124, 163371), (142, 142662), (156, 129859), (177, 114452), (186, 108914), (213, 95108), (236, 85839), (284, 71331), (354, 57226), (372, 54457), (403, 50268), (426, 47554), (708, 28613), (767, 26412), (806, 25134), (852, 23777), (923, 21948), (1209, 16756), (1534, 13206), (1612, 12567), (1829, 11076), (1846, 10974), (2201, 9204), (2301, 8804), (2418, 8378), (2769, 7316), (3068, 6603), (3658, 5538), (3692, 5487), (4189, 4836), (4402, 4602)]