20190560

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{571}}^1$

素因数の和:616

約数の個数: 96

約数和(自身を含む): 54486432

約数和(自身を除く): 34295872

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 32, 34, 40, 52, 65, 68, 80, 85, 104, 130, 136, 160, 170, 208, 221, 260, 272, 340, 416, 442, 520, 544, 571, 680, 884, 1040, 1105, 1142, 1360, 1768, 2080, 2210, 2284, 2720, 2855, 3536, 4420, 4568, 5710, 7072, 7423, 8840, 9136, 9707, 11420, 14846, 17680, 18272, 19414, 22840, 29692, 35360, 37115, 38828, 45680, 48535, 59384, 74230, 77656, 91360, 97070, 118768, 126191, 148460, 155312, 194140, 237536, 252382, 296920, 310624, 388280, 504764, 593840, 630955, 776560, 1009528, 1187680, 1261910, 1553120, 2019056, 2523820, 4038112, 5047640, 10095280, 20190560]

約数ペア:

[(1, 20190560), (2, 10095280), (4, 5047640), (5, 4038112), (8, 2523820), (10, 2019056), (13, 1553120), (16, 1261910), (17, 1187680), (20, 1009528), (26, 776560), (32, 630955), (34, 593840), (40, 504764), (52, 388280), (65, 310624), (68, 296920), (80, 252382), (85, 237536), (104, 194140), (130, 155312), (136, 148460), (160, 126191), (170, 118768), (208, 97070), (221, 91360), (260, 77656), (272, 74230), (340, 59384), (416, 48535), (442, 45680), (520, 38828), (544, 37115), (571, 35360), (680, 29692), (884, 22840), (1040, 19414), (1105, 18272), (1142, 17680), (1360, 14846), (1768, 11420), (2080, 9707), (2210, 9136), (2284, 8840), (2720, 7423), (2855, 7072), (3536, 5710), (4420, 4568)]