20588360

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{137}}^1$

素因数の和:195

約数の個数: 96

約数和(自身を含む): 53381160

約数和(自身を除く): 32792800

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 34, 40, 52, 65, 68, 85, 104, 130, 136, 137, 170, 221, 260, 274, 289, 340, 442, 520, 548, 578, 680, 685, 884, 1096, 1105, 1156, 1370, 1445, 1768, 1781, 2210, 2312, 2329, 2740, 2890, 3562, 3757, 4420, 4658, 5480, 5780, 7124, 7514, 8840, 8905, 9316, 11560, 11645, 14248, 15028, 17810, 18632, 18785, 23290, 30056, 30277, 35620, 37570, 39593, 46580, 60554, 71240, 75140, 79186, 93160, 121108, 150280, 151385, 158372, 197965, 242216, 302770, 316744, 395930, 514709, 605540, 791860, 1029418, 1211080, 1583720, 2058836, 2573545, 4117672, 5147090, 10294180, 20588360]

約数ペア:

[(1, 20588360), (2, 10294180), (4, 5147090), (5, 4117672), (8, 2573545), (10, 2058836), (13, 1583720), (17, 1211080), (20, 1029418), (26, 791860), (34, 605540), (40, 514709), (52, 395930), (65, 316744), (68, 302770), (85, 242216), (104, 197965), (130, 158372), (136, 151385), (137, 150280), (170, 121108), (221, 93160), (260, 79186), (274, 75140), (289, 71240), (340, 60554), (442, 46580), (520, 39593), (548, 37570), (578, 35620), (680, 30277), (685, 30056), (884, 23290), (1096, 18785), (1105, 18632), (1156, 17810), (1370, 15028), (1445, 14248), (1768, 11645), (1781, 11560), (2210, 9316), (2312, 8905), (2329, 8840), (2740, 7514), (2890, 7124), (3562, 5780), (3757, 5480), (4420, 4658)]