20313204

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{41}}^2\times {\mathrm{53}}^1$

素因数の和:161

約数の個数: 72

約数和(自身を含む): 52103520

約数和(自身を除く): 31790316

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 41, 53, 57, 76, 82, 106, 114, 123, 159, 164, 212, 228, 246, 318, 492, 636, 779, 1007, 1558, 1681, 2014, 2173, 2337, 3021, 3116, 3362, 4028, 4346, 4674, 5043, 6042, 6519, 6724, 8692, 9348, 10086, 12084, 13038, 20172, 26076, 31939, 41287, 63878, 82574, 89093, 95817, 123861, 127756, 165148, 178186, 191634, 247722, 267279, 356372, 383268, 495444, 534558, 1069116, 1692767, 3385534, 5078301, 6771068, 10156602, 20313204]

約数ペア:

[(1, 20313204), (2, 10156602), (3, 6771068), (4, 5078301), (6, 3385534), (12, 1692767), (19, 1069116), (38, 534558), (41, 495444), (53, 383268), (57, 356372), (76, 267279), (82, 247722), (106, 191634), (114, 178186), (123, 165148), (159, 127756), (164, 123861), (212, 95817), (228, 89093), (246, 82574), (318, 63878), (492, 41287), (636, 31939), (779, 26076), (1007, 20172), (1558, 13038), (1681, 12084), (2014, 10086), (2173, 9348), (2337, 8692), (3021, 6724), (3116, 6519), (3362, 6042), (4028, 5043), (4346, 4674)]