20121747552

素因数分解:

$2^5\times 3^2\times {\mathrm{163}}^1\times {\mathrm{428633}}^1$

素因数の和:428812

約数の個数: 72

約数和(自身を含む): 57572404344

約数和(自身を除く): 37450656792

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 163, 288, 326, 489, 652, 978, 1304, 1467, 1956, 2608, 2934, 3912, 5216, 5868, 7824, 11736, 15648, 23472, 46944, 428633, 857266, 1285899, 1714532, 2571798, 3429064, 3857697, 5143596, 6858128, 7715394, 10287192, 13716256, 15430788, 20574384, 30861576, 41148768, 61723152, 69867179, 123446304, 139734358, 209601537, 279468716, 419203074, 558937432, 628804611, 838406148, 1117874864, 1257609222, 1676812296, 2235749728, 2515218444, 3353624592, 5030436888, 6707249184, 10060873776, 20121747552]

約数ペア:

[(1, 20121747552), (2, 10060873776), (3, 6707249184), (4, 5030436888), (6, 3353624592), (8, 2515218444), (9, 2235749728), (12, 1676812296), (16, 1257609222), (18, 1117874864), (24, 838406148), (32, 628804611), (36, 558937432), (48, 419203074), (72, 279468716), (96, 209601537), (144, 139734358), (163, 123446304), (288, 69867179), (326, 61723152), (489, 41148768), (652, 30861576), (978, 20574384), (1304, 15430788), (1467, 13716256), (1956, 10287192), (2608, 7715394), (2934, 6858128), (3912, 5143596), (5216, 3857697), (5868, 3429064), (7824, 2571798), (11736, 1714532), (15648, 1285899), (23472, 857266), (46944, 428633)]