20178254904

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{223}}^1\times {\mathrm{3253}}^1$

素因数の和:3565

約数の個数: 128

約数和(自身を含む): 54229862400

約数和(自身を除く): 34051607496

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 38, 57, 61, 76, 114, 122, 152, 183, 223, 228, 244, 366, 446, 456, 488, 669, 732, 892, 1159, 1338, 1464, 1784, 2318, 2676, 3253, 3477, 4237, 4636, 5352, 6506, 6954, 8474, 9272, 9759, 12711, 13012, 13603, 13908, 16948, 19518, 25422, 26024, 27206, 27816, 33896, 39036, 40809, 50844, 54412, 61807, 78072, 81618, 101688, 108824, 123614, 163236, 185421, 198433, 247228, 258457, 326472, 370842, 396866, 494456, 516914, 595299, 725419, 741684, 775371, 793732, 1033828, 1190598, 1450838, 1483368, 1550742, 1587464, 2067656, 2176257, 2381196, 2901676, 3101484, 3770227, 4352514, 4762392, 5803352, 6202968, 7540454, 8705028, 11310681, 13782961, 15080908, 17410056, 22621362, 27565922, 30161816, 41348883, 44250559, 45242724, 55131844, 82697766, 88501118, 90485448, 110263688, 132751677, 165395532, 177002236, 265503354, 330791064, 354004472, 531006708, 840760621, 1062013416, 1681521242, 2522281863, 3363042484, 5044563726, 6726084968, 10089127452, 20178254904]

約数ペア:

[(1, 20178254904), (2, 10089127452), (3, 6726084968), (4, 5044563726), (6, 3363042484), (8, 2522281863), (12, 1681521242), (19, 1062013416), (24, 840760621), (38, 531006708), (57, 354004472), (61, 330791064), (76, 265503354), (114, 177002236), (122, 165395532), (152, 132751677), (183, 110263688), (223, 90485448), (228, 88501118), (244, 82697766), (366, 55131844), (446, 45242724), (456, 44250559), (488, 41348883), (669, 30161816), (732, 27565922), (892, 22621362), (1159, 17410056), (1338, 15080908), (1464, 13782961), (1784, 11310681), (2318, 8705028), (2676, 7540454), (3253, 6202968), (3477, 5803352), (4237, 4762392), (4636, 4352514), (5352, 3770227), (6506, 3101484), (6954, 2901676), (8474, 2381196), (9272, 2176257), (9759, 2067656), (12711, 1587464), (13012, 1550742), (13603, 1483368), (13908, 1450838), (16948, 1190598), (19518, 1033828), (25422, 793732), (26024, 775371), (27206, 741684), (27816, 725419), (33896, 595299), (39036, 516914), (40809, 494456), (50844, 396866), (54412, 370842), (61807, 326472), (78072, 258457), (81618, 247228), (101688, 198433), (108824, 185421), (123614, 163236)]