20383650

素因数分解:

$2^1\times 3^4\times 5^2\times 7^1\times {\mathrm{719}}^1$

素因数の和:750

約数の個数: 120

約数和(自身を含む): 64817280

約数和(自身を除く): 44433630

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 25, 27, 30, 35, 42, 45, 50, 54, 63, 70, 75, 81, 90, 105, 126, 135, 150, 162, 175, 189, 210, 225, 270, 315, 350, 378, 405, 450, 525, 567, 630, 675, 719, 810, 945, 1050, 1134, 1350, 1438, 1575, 1890, 2025, 2157, 2835, 3150, 3595, 4050, 4314, 4725, 5033, 5670, 6471, 7190, 9450, 10066, 10785, 12942, 14175, 15099, 17975, 19413, 21570, 25165, 28350, 30198, 32355, 35950, 38826, 45297, 50330, 53925, 58239, 64710, 75495, 90594, 97065, 107850, 116478, 125825, 135891, 150990, 161775, 194130, 226485, 251650, 271782, 291195, 323550, 377475, 407673, 452970, 485325, 582390, 679455, 754950, 815346, 970650, 1132425, 1358910, 1455975, 2038365, 2264850, 2911950, 3397275, 4076730, 6794550, 10191825, 20383650]

約数ペア:

[(1, 20383650), (2, 10191825), (3, 6794550), (5, 4076730), (6, 3397275), (7, 2911950), (9, 2264850), (10, 2038365), (14, 1455975), (15, 1358910), (18, 1132425), (21, 970650), (25, 815346), (27, 754950), (30, 679455), (35, 582390), (42, 485325), (45, 452970), (50, 407673), (54, 377475), (63, 323550), (70, 291195), (75, 271782), (81, 251650), (90, 226485), (105, 194130), (126, 161775), (135, 150990), (150, 135891), (162, 125825), (175, 116478), (189, 107850), (210, 97065), (225, 90594), (270, 75495), (315, 64710), (350, 58239), (378, 53925), (405, 50330), (450, 45297), (525, 38826), (567, 35950), (630, 32355), (675, 30198), (719, 28350), (810, 25165), (945, 21570), (1050, 19413), (1134, 17975), (1350, 15099), (1438, 14175), (1575, 12942), (1890, 10785), (2025, 10066), (2157, 9450), (2835, 7190), (3150, 6471), (3595, 5670), (4050, 5033), (4314, 4725)]