20784414330

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{863}}^1\times {\mathrm{3769}}^1$

素因数の和:4716

約数の個数: 96

約数和(自身を含む): 54878653440

約数和(自身を除く): 34094239110

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 71, 90, 142, 213, 355, 426, 639, 710, 863, 1065, 1278, 1726, 2130, 2589, 3195, 3769, 4315, 5178, 6390, 7538, 7767, 8630, 11307, 12945, 15534, 18845, 22614, 25890, 33921, 37690, 38835, 56535, 61273, 67842, 77670, 113070, 122546, 169605, 183819, 267599, 306365, 339210, 367638, 535198, 551457, 612730, 802797, 919095, 1102914, 1337995, 1605594, 1838190, 2408391, 2675990, 2757285, 3252647, 4013985, 4816782, 5514570, 6505294, 8027970, 9757941, 12041955, 16263235, 19515882, 24083910, 29273823, 32526470, 48789705, 58547646, 97579410, 146369115, 230937937, 292738230, 461875874, 692813811, 1154689685, 1385627622, 2078441433, 2309379370, 3464069055, 4156882866, 6928138110, 10392207165, 20784414330]

約数ペア:

[(1, 20784414330), (2, 10392207165), (3, 6928138110), (5, 4156882866), (6, 3464069055), (9, 2309379370), (10, 2078441433), (15, 1385627622), (18, 1154689685), (30, 692813811), (45, 461875874), (71, 292738230), (90, 230937937), (142, 146369115), (213, 97579410), (355, 58547646), (426, 48789705), (639, 32526470), (710, 29273823), (863, 24083910), (1065, 19515882), (1278, 16263235), (1726, 12041955), (2130, 9757941), (2589, 8027970), (3195, 6505294), (3769, 5514570), (4315, 4816782), (5178, 4013985), (6390, 3252647), (7538, 2757285), (7767, 2675990), (8630, 2408391), (11307, 1838190), (12945, 1605594), (15534, 1337995), (18845, 1102914), (22614, 919095), (25890, 802797), (33921, 612730), (37690, 551457), (38835, 535198), (56535, 367638), (61273, 339210), (67842, 306365), (77670, 267599), (113070, 183819), (122546, 169605)]