20129777584

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{35569}}^1$

素因数の和:35778

約数の個数: 80

約数和(自身を含む): 46294497280

約数和(自身を除く): 26164719696

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 62, 112, 124, 163, 217, 248, 326, 434, 496, 652, 868, 1141, 1304, 1736, 2282, 2608, 3472, 4564, 5053, 9128, 10106, 18256, 20212, 35371, 35569, 40424, 70742, 71138, 80848, 141484, 142276, 248983, 282968, 284552, 497966, 565936, 569104, 995932, 1102639, 1991864, 2205278, 3983728, 4410556, 5797747, 7718473, 8821112, 11595494, 15436946, 17642224, 23190988, 30873892, 40584229, 46381976, 61747784, 81168458, 92763952, 123495568, 162336916, 179730157, 324673832, 359460314, 649347664, 718920628, 1258111099, 1437841256, 2516222198, 2875682512, 5032444396, 10064888792, 20129777584]

約数ペア:

[(1, 20129777584), (2, 10064888792), (4, 5032444396), (7, 2875682512), (8, 2516222198), (14, 1437841256), (16, 1258111099), (28, 718920628), (31, 649347664), (56, 359460314), (62, 324673832), (112, 179730157), (124, 162336916), (163, 123495568), (217, 92763952), (248, 81168458), (326, 61747784), (434, 46381976), (496, 40584229), (652, 30873892), (868, 23190988), (1141, 17642224), (1304, 15436946), (1736, 11595494), (2282, 8821112), (2608, 7718473), (3472, 5797747), (4564, 4410556), (5053, 3983728), (9128, 2205278), (10106, 1991864), (18256, 1102639), (20212, 995932), (35371, 569104), (35569, 565936), (40424, 497966), (70742, 284552), (71138, 282968), (80848, 248983), (141484, 142276)]