20843532

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{983}}^1$

素因数の和:1043

約数の個数: 72

約数和(自身を含む): 57308160

約数和(自身を除く): 36464628

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 31, 36, 38, 57, 62, 76, 93, 114, 124, 171, 186, 228, 279, 342, 372, 558, 589, 684, 983, 1116, 1178, 1767, 1966, 2356, 2949, 3534, 3932, 5301, 5898, 7068, 8847, 10602, 11796, 17694, 18677, 21204, 30473, 35388, 37354, 56031, 60946, 74708, 91419, 112062, 121892, 168093, 182838, 224124, 274257, 336186, 365676, 548514, 578987, 672372, 1097028, 1157974, 1736961, 2315948, 3473922, 5210883, 6947844, 10421766, 20843532]

約数ペア:

[(1, 20843532), (2, 10421766), (3, 6947844), (4, 5210883), (6, 3473922), (9, 2315948), (12, 1736961), (18, 1157974), (19, 1097028), (31, 672372), (36, 578987), (38, 548514), (57, 365676), (62, 336186), (76, 274257), (93, 224124), (114, 182838), (124, 168093), (171, 121892), (186, 112062), (228, 91419), (279, 74708), (342, 60946), (372, 56031), (558, 37354), (589, 35388), (684, 30473), (983, 21204), (1116, 18677), (1178, 17694), (1767, 11796), (1966, 10602), (2356, 8847), (2949, 7068), (3534, 5898), (3932, 5301)]