20486970

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1049}}^1$

素因数の和:1100

約数の個数: 96

約数和(自身を含む): 62899200

約数和(自身を除く): 42412230

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 31, 35, 42, 45, 62, 63, 70, 90, 93, 105, 126, 155, 186, 210, 217, 279, 310, 315, 434, 465, 558, 630, 651, 930, 1049, 1085, 1302, 1395, 1953, 2098, 2170, 2790, 3147, 3255, 3906, 5245, 6294, 6510, 7343, 9441, 9765, 10490, 14686, 15735, 18882, 19530, 22029, 31470, 32519, 36715, 44058, 47205, 65038, 66087, 73430, 94410, 97557, 110145, 132174, 162595, 195114, 220290, 227633, 292671, 325190, 330435, 455266, 487785, 585342, 660870, 682899, 975570, 1138165, 1365798, 1463355, 2048697, 2276330, 2926710, 3414495, 4097394, 6828990, 10243485, 20486970]

約数ペア:

[(1, 20486970), (2, 10243485), (3, 6828990), (5, 4097394), (6, 3414495), (7, 2926710), (9, 2276330), (10, 2048697), (14, 1463355), (15, 1365798), (18, 1138165), (21, 975570), (30, 682899), (31, 660870), (35, 585342), (42, 487785), (45, 455266), (62, 330435), (63, 325190), (70, 292671), (90, 227633), (93, 220290), (105, 195114), (126, 162595), (155, 132174), (186, 110145), (210, 97557), (217, 94410), (279, 73430), (310, 66087), (315, 65038), (434, 47205), (465, 44058), (558, 36715), (630, 32519), (651, 31470), (930, 22029), (1049, 19530), (1085, 18882), (1302, 15735), (1395, 14686), (1953, 10490), (2098, 9765), (2170, 9441), (2790, 7343), (3147, 6510), (3255, 6294), (3906, 5245)]