20217233668

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{149}}^1\times {\mathrm{8353}}^1$

素因数の和:8668

約数の個数: 48

約数和(自身を含む): 37051660800

約数和(自身を除く): 16834427132

約数列:

[1, 2, 4, 31, 62, 124, 131, 149, 262, 298, 524, 596, 4061, 4619, 8122, 8353, 9238, 16244, 16706, 18476, 19519, 33412, 39038, 78076, 258943, 517886, 605089, 1035772, 1094243, 1210178, 1244597, 2188486, 2420356, 2489194, 4376972, 4978388, 33921533, 38582507, 67843066, 77165014, 135686132, 154330028, 163042207, 326084414, 652168828, 5054308417, 10108616834, 20217233668]

約数ペア:

[(1, 20217233668), (2, 10108616834), (4, 5054308417), (31, 652168828), (62, 326084414), (124, 163042207), (131, 154330028), (149, 135686132), (262, 77165014), (298, 67843066), (524, 38582507), (596, 33921533), (4061, 4978388), (4619, 4376972), (8122, 2489194), (8353, 2420356), (9238, 2188486), (16244, 1244597), (16706, 1210178), (18476, 1094243), (19519, 1035772), (33412, 605089), (39038, 517886), (78076, 258943)]