20758716

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1$

素因数の和:160

約数の個数: 144

約数和(自身を含む): 62899200

約数和(自身を除く): 42140484

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 19, 22, 31, 33, 36, 38, 44, 57, 62, 66, 76, 89, 93, 99, 114, 124, 132, 171, 178, 186, 198, 209, 228, 267, 279, 341, 342, 356, 372, 396, 418, 534, 558, 589, 627, 682, 684, 801, 836, 979, 1023, 1068, 1116, 1178, 1254, 1364, 1602, 1691, 1767, 1881, 1958, 2046, 2356, 2508, 2759, 2937, 3069, 3204, 3382, 3534, 3762, 3916, 4092, 5073, 5301, 5518, 5874, 6138, 6479, 6764, 7068, 7524, 8277, 8811, 10146, 10602, 11036, 11748, 12276, 12958, 15219, 16554, 17622, 18601, 19437, 20292, 21204, 24831, 25916, 30349, 30438, 33108, 35244, 37202, 38874, 49662, 52421, 55803, 58311, 60698, 60876, 74404, 77748, 91047, 99324, 104842, 111606, 116622, 121396, 157263, 167409, 182094, 209684, 223212, 233244, 273141, 314526, 334818, 364188, 471789, 546282, 576631, 629052, 669636, 943578, 1092564, 1153262, 1729893, 1887156, 2306524, 3459786, 5189679, 6919572, 10379358, 20758716]

約数ペア:

[(1, 20758716), (2, 10379358), (3, 6919572), (4, 5189679), (6, 3459786), (9, 2306524), (11, 1887156), (12, 1729893), (18, 1153262), (19, 1092564), (22, 943578), (31, 669636), (33, 629052), (36, 576631), (38, 546282), (44, 471789), (57, 364188), (62, 334818), (66, 314526), (76, 273141), (89, 233244), (93, 223212), (99, 209684), (114, 182094), (124, 167409), (132, 157263), (171, 121396), (178, 116622), (186, 111606), (198, 104842), (209, 99324), (228, 91047), (267, 77748), (279, 74404), (341, 60876), (342, 60698), (356, 58311), (372, 55803), (396, 52421), (418, 49662), (534, 38874), (558, 37202), (589, 35244), (627, 33108), (682, 30438), (684, 30349), (801, 25916), (836, 24831), (979, 21204), (1023, 20292), (1068, 19437), (1116, 18601), (1178, 17622), (1254, 16554), (1364, 15219), (1602, 12958), (1691, 12276), (1767, 11748), (1881, 11036), (1958, 10602), (2046, 10146), (2356, 8811), (2508, 8277), (2759, 7524), (2937, 7068), (3069, 6764), (3204, 6479), (3382, 6138), (3534, 5874), (3762, 5518), (3916, 5301), (4092, 5073)]