20089867875

素因数分解:

$3^1\times 5^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{8807}}^1$

素因数の和:8922

約数の個数: 128

約数和(自身を含む): 42210754560

約数和(自身を除く): 22120886685

約数列:

[1, 3, 5, 7, 11, 15, 21, 25, 33, 35, 55, 75, 77, 79, 105, 125, 165, 175, 231, 237, 275, 375, 385, 395, 525, 553, 825, 869, 875, 1155, 1185, 1375, 1659, 1925, 1975, 2607, 2625, 2765, 4125, 4345, 5775, 5925, 6083, 8295, 8807, 9625, 9875, 13035, 13825, 18249, 21725, 26421, 28875, 29625, 30415, 41475, 44035, 61649, 65175, 69125, 91245, 96877, 108625, 132105, 152075, 184947, 207375, 220175, 290631, 308245, 325875, 456225, 484385, 660525, 678139, 695753, 760375, 924735, 1100875, 1453155, 1541225, 2034417, 2087259, 2281125, 2421925, 3302625, 3390695, 3478765, 4623675, 4870271, 7265775, 7653283, 7706125, 10172085, 10436295, 12109625, 14610813, 16953475, 17393825, 22959849, 23118375, 24351355, 36328875, 38266415, 50860425, 52181475, 53572981, 73054065, 84767375, 86969125, 114799245, 121756775, 160718943, 191332075, 254302125, 260907375, 267864905, 365270325, 573996225, 608783875, 803594715, 956660375, 1339324525, 1826351625, 2869981125, 4017973575, 6696622625, 20089867875]

約数ペア:

[(1, 20089867875), (3, 6696622625), (5, 4017973575), (7, 2869981125), (11, 1826351625), (15, 1339324525), (21, 956660375), (25, 803594715), (33, 608783875), (35, 573996225), (55, 365270325), (75, 267864905), (77, 260907375), (79, 254302125), (105, 191332075), (125, 160718943), (165, 121756775), (175, 114799245), (231, 86969125), (237, 84767375), (275, 73054065), (375, 53572981), (385, 52181475), (395, 50860425), (525, 38266415), (553, 36328875), (825, 24351355), (869, 23118375), (875, 22959849), (1155, 17393825), (1185, 16953475), (1375, 14610813), (1659, 12109625), (1925, 10436295), (1975, 10172085), (2607, 7706125), (2625, 7653283), (2765, 7265775), (4125, 4870271), (4345, 4623675), (5775, 3478765), (5925, 3390695), (6083, 3302625), (8295, 2421925), (8807, 2281125), (9625, 2087259), (9875, 2034417), (13035, 1541225), (13825, 1453155), (18249, 1100875), (21725, 924735), (26421, 760375), (28875, 695753), (29625, 678139), (30415, 660525), (41475, 484385), (44035, 456225), (61649, 325875), (65175, 308245), (69125, 290631), (91245, 220175), (96877, 207375), (108625, 184947), (132105, 152075)]