20879105625

素因数分解:

$3^2\times 5^4\times 7^1\times {\mathrm{577}}^1\times {\mathrm{919}}^1$

素因数の和:1529

約数の個数: 120

約数和(自身を含む): 43191674240

約数和(自身を除く): 22312568615

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 63, 75, 105, 125, 175, 225, 315, 375, 525, 577, 625, 875, 919, 1125, 1575, 1731, 1875, 2625, 2757, 2885, 4039, 4375, 4595, 5193, 5625, 6433, 7875, 8271, 8655, 12117, 13125, 13785, 14425, 19299, 20195, 22975, 25965, 32165, 36351, 39375, 41355, 43275, 57897, 60585, 68925, 72125, 96495, 100975, 114875, 129825, 160825, 181755, 206775, 216375, 289485, 302925, 344625, 360625, 482475, 504875, 530263, 574375, 649125, 804125, 908775, 1033875, 1081875, 1447425, 1514625, 1590789, 1723125, 2412375, 2524375, 2651315, 3245625, 3711841, 4020625, 4543875, 4772367, 5169375, 7237125, 7573125, 7953945, 11135523, 12061875, 13256575, 18559205, 22719375, 23861835, 33406569, 36185625, 39769725, 55677615, 66282875, 92796025, 119309175, 167032845, 198848625, 278388075, 331414375, 463980125, 596545875, 835164225, 994243125, 1391940375, 2319900625, 2982729375, 4175821125, 6959701875, 20879105625]

約数ペア:

[(1, 20879105625), (3, 6959701875), (5, 4175821125), (7, 2982729375), (9, 2319900625), (15, 1391940375), (21, 994243125), (25, 835164225), (35, 596545875), (45, 463980125), (63, 331414375), (75, 278388075), (105, 198848625), (125, 167032845), (175, 119309175), (225, 92796025), (315, 66282875), (375, 55677615), (525, 39769725), (577, 36185625), (625, 33406569), (875, 23861835), (919, 22719375), (1125, 18559205), (1575, 13256575), (1731, 12061875), (1875, 11135523), (2625, 7953945), (2757, 7573125), (2885, 7237125), (4039, 5169375), (4375, 4772367), (4595, 4543875), (5193, 4020625), (5625, 3711841), (6433, 3245625), (7875, 2651315), (8271, 2524375), (8655, 2412375), (12117, 1723125), (13125, 1590789), (13785, 1514625), (14425, 1447425), (19299, 1081875), (20195, 1033875), (22975, 908775), (25965, 804125), (32165, 649125), (36351, 574375), (39375, 530263), (41355, 504875), (43275, 482475), (57897, 360625), (60585, 344625), (68925, 302925), (72125, 289485), (96495, 216375), (100975, 206775), (114875, 181755), (129825, 160825)]