20170960390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{199}}^1\times {\mathrm{30809}}^1$

素因数の和:31069

約数の個数: 64

約数和(自身を含む): 42591744000

約数和(自身を除く): 22420783610

約数列:

[1, 2, 5, 7, 10, 14, 35, 47, 70, 94, 199, 235, 329, 398, 470, 658, 995, 1393, 1645, 1990, 2786, 3290, 6965, 9353, 13930, 18706, 30809, 46765, 61618, 65471, 93530, 130942, 154045, 215663, 308090, 327355, 431326, 654710, 1078315, 1448023, 2156630, 2896046, 6130991, 7240115, 10136161, 12261982, 14480230, 20272322, 30654955, 42916937, 50680805, 61309910, 85833874, 101361610, 214584685, 288156577, 429169370, 576313154, 1440782885, 2017096039, 2881565770, 4034192078, 10085480195, 20170960390]

約数ペア:

[(1, 20170960390), (2, 10085480195), (5, 4034192078), (7, 2881565770), (10, 2017096039), (14, 1440782885), (35, 576313154), (47, 429169370), (70, 288156577), (94, 214584685), (199, 101361610), (235, 85833874), (329, 61309910), (398, 50680805), (470, 42916937), (658, 30654955), (995, 20272322), (1393, 14480230), (1645, 12261982), (1990, 10136161), (2786, 7240115), (3290, 6130991), (6965, 2896046), (9353, 2156630), (13930, 1448023), (18706, 1078315), (30809, 654710), (46765, 431326), (61618, 327355), (65471, 308090), (93530, 215663), (130942, 154045)]