20164028920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{617}}^1\times {\mathrm{6143}}^1$

素因数の和:6797

約数の個数: 128

約数和(自身を含む): 54676684800

約数和(自身を除く): 34512655880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 70, 76, 95, 133, 140, 152, 190, 266, 280, 380, 532, 617, 665, 760, 1064, 1234, 1330, 2468, 2660, 3085, 4319, 4936, 5320, 6143, 6170, 8638, 11723, 12286, 12340, 17276, 21595, 23446, 24572, 24680, 30715, 34552, 43001, 43190, 46892, 49144, 58615, 61430, 82061, 86002, 86380, 93784, 116717, 117230, 122860, 164122, 172004, 172760, 215005, 233434, 234460, 245720, 328244, 344008, 410305, 430010, 466868, 468920, 583585, 656488, 817019, 820610, 860020, 933736, 1167170, 1634038, 1641220, 1720040, 2334340, 3268076, 3282440, 3790231, 4085095, 4668680, 6536152, 7580462, 8170190, 15160924, 16340380, 18951155, 26531617, 30321848, 32680760, 37902310, 53063234, 72014389, 75804620, 106126468, 132658085, 144028778, 151609240, 212252936, 265316170, 288057556, 360071945, 504100723, 530632340, 576115112, 720143890, 1008201446, 1061264680, 1440287780, 2016402892, 2520503615, 2880575560, 4032805784, 5041007230, 10082014460, 20164028920]

約数ペア:

[(1, 20164028920), (2, 10082014460), (4, 5041007230), (5, 4032805784), (7, 2880575560), (8, 2520503615), (10, 2016402892), (14, 1440287780), (19, 1061264680), (20, 1008201446), (28, 720143890), (35, 576115112), (38, 530632340), (40, 504100723), (56, 360071945), (70, 288057556), (76, 265316170), (95, 212252936), (133, 151609240), (140, 144028778), (152, 132658085), (190, 106126468), (266, 75804620), (280, 72014389), (380, 53063234), (532, 37902310), (617, 32680760), (665, 30321848), (760, 26531617), (1064, 18951155), (1234, 16340380), (1330, 15160924), (2468, 8170190), (2660, 7580462), (3085, 6536152), (4319, 4668680), (4936, 4085095), (5320, 3790231), (6143, 3282440), (6170, 3268076), (8638, 2334340), (11723, 1720040), (12286, 1641220), (12340, 1634038), (17276, 1167170), (21595, 933736), (23446, 860020), (24572, 820610), (24680, 817019), (30715, 656488), (34552, 583585), (43001, 468920), (43190, 466868), (46892, 430010), (49144, 410305), (58615, 344008), (61430, 328244), (82061, 245720), (86002, 234460), (86380, 233434), (93784, 215005), (116717, 172760), (117230, 172004), (122860, 164122)]