20086920

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{2657}}^1$

素因数の和:2684

約数の個数: 128

約数和(自身を含む): 76550400

約数和(自身を除く): 56463480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 84, 90, 105, 108, 120, 126, 135, 140, 168, 180, 189, 210, 216, 252, 270, 280, 315, 360, 378, 420, 504, 540, 630, 756, 840, 945, 1080, 1260, 1512, 1890, 2520, 2657, 3780, 5314, 7560, 7971, 10628, 13285, 15942, 18599, 21256, 23913, 26570, 31884, 37198, 39855, 47826, 53140, 55797, 63768, 71739, 74396, 79710, 92995, 95652, 106280, 111594, 119565, 143478, 148792, 159420, 167391, 185990, 191304, 223188, 239130, 278985, 286956, 318840, 334782, 358695, 371980, 446376, 478260, 502173, 557970, 573912, 669564, 717390, 743960, 836955, 956520, 1004346, 1115940, 1339128, 1434780, 1673910, 2008692, 2231880, 2510865, 2869560, 3347820, 4017384, 5021730, 6695640, 10043460, 20086920]

約数ペア:

[(1, 20086920), (2, 10043460), (3, 6695640), (4, 5021730), (5, 4017384), (6, 3347820), (7, 2869560), (8, 2510865), (9, 2231880), (10, 2008692), (12, 1673910), (14, 1434780), (15, 1339128), (18, 1115940), (20, 1004346), (21, 956520), (24, 836955), (27, 743960), (28, 717390), (30, 669564), (35, 573912), (36, 557970), (40, 502173), (42, 478260), (45, 446376), (54, 371980), (56, 358695), (60, 334782), (63, 318840), (70, 286956), (72, 278985), (84, 239130), (90, 223188), (105, 191304), (108, 185990), (120, 167391), (126, 159420), (135, 148792), (140, 143478), (168, 119565), (180, 111594), (189, 106280), (210, 95652), (216, 92995), (252, 79710), (270, 74396), (280, 71739), (315, 63768), (360, 55797), (378, 53140), (420, 47826), (504, 39855), (540, 37198), (630, 31884), (756, 26570), (840, 23913), (945, 21256), (1080, 18599), (1260, 15942), (1512, 13285), (1890, 10628), (2520, 7971), (2657, 7560), (3780, 5314)]