20296773840

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{389723}}^1$

素因数の和:389777

約数の個数: 160

約数和(自身を含む): 74228391936

約数和(自身を除く): 53931618096

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 31, 35, 40, 42, 48, 56, 60, 62, 70, 80, 84, 93, 105, 112, 120, 124, 140, 155, 168, 186, 210, 217, 240, 248, 280, 310, 336, 372, 420, 434, 465, 496, 560, 620, 651, 744, 840, 868, 930, 1085, 1240, 1302, 1488, 1680, 1736, 1860, 2170, 2480, 2604, 3255, 3472, 3720, 4340, 5208, 6510, 7440, 8680, 10416, 13020, 17360, 26040, 52080, 389723, 779446, 1169169, 1558892, 1948615, 2338338, 2728061, 3117784, 3897230, 4676676, 5456122, 5845845, 6235568, 7794460, 8184183, 9353352, 10912244, 11691690, 12081413, 13640305, 15588920, 16368366, 18706704, 21824488, 23383380, 24162826, 27280610, 31177840, 32736732, 36244239, 40920915, 43648976, 46766760, 48325652, 54561220, 60407065, 65473464, 72488478, 81841830, 84569891, 93533520, 96651304, 109122440, 120814130, 130946928, 144976956, 163683660, 169139782, 181221195, 193302608, 218244880, 241628260, 253709673, 289953912, 327367320, 338279564, 362442390, 422849455, 483256520, 507419346, 579907824, 654734640, 676559128, 724884780, 845698910, 966513040, 1014838692, 1268548365, 1353118256, 1449769560, 1691397820, 2029677384, 2537096730, 2899539120, 3382795640, 4059354768, 5074193460, 6765591280, 10148386920, 20296773840]

約数ペア:

[(1, 20296773840), (2, 10148386920), (3, 6765591280), (4, 5074193460), (5, 4059354768), (6, 3382795640), (7, 2899539120), (8, 2537096730), (10, 2029677384), (12, 1691397820), (14, 1449769560), (15, 1353118256), (16, 1268548365), (20, 1014838692), (21, 966513040), (24, 845698910), (28, 724884780), (30, 676559128), (31, 654734640), (35, 579907824), (40, 507419346), (42, 483256520), (48, 422849455), (56, 362442390), (60, 338279564), (62, 327367320), (70, 289953912), (80, 253709673), (84, 241628260), (93, 218244880), (105, 193302608), (112, 181221195), (120, 169139782), (124, 163683660), (140, 144976956), (155, 130946928), (168, 120814130), (186, 109122440), (210, 96651304), (217, 93533520), (240, 84569891), (248, 81841830), (280, 72488478), (310, 65473464), (336, 60407065), (372, 54561220), (420, 48325652), (434, 46766760), (465, 43648976), (496, 40920915), (560, 36244239), (620, 32736732), (651, 31177840), (744, 27280610), (840, 24162826), (868, 23383380), (930, 21824488), (1085, 18706704), (1240, 16368366), (1302, 15588920), (1488, 13640305), (1680, 12081413), (1736, 11691690), (1860, 10912244), (2170, 9353352), (2480, 8184183), (2604, 7794460), (3255, 6235568), (3472, 5845845), (3720, 5456122), (4340, 4676676), (5208, 3897230), (6510, 3117784), (7440, 2728061), (8680, 2338338), (10416, 1948615), (13020, 1558892), (17360, 1169169), (26040, 779446), (52080, 389723)]