20235965880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1123}}^1\times {\mathrm{11551}}^1$

素因数の和:12701

約数の個数: 128

約数和(自身を含む): 65441617920

約数和(自身を除く): 45205652040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1123, 1560, 2246, 3369, 4492, 5615, 6738, 8984, 11230, 11551, 13476, 14599, 16845, 22460, 23102, 26952, 29198, 33690, 34653, 43797, 44920, 46204, 57755, 58396, 67380, 69306, 72995, 87594, 92408, 115510, 116792, 134760, 138612, 145990, 150163, 173265, 175188, 218985, 231020, 277224, 291980, 300326, 346530, 350376, 437970, 450489, 462040, 583960, 600652, 693060, 750815, 875940, 900978, 1201304, 1386120, 1501630, 1751880, 1801956, 2252445, 3003260, 3603912, 4504890, 6006520, 9009780, 12971773, 18019560, 25943546, 38915319, 51887092, 64858865, 77830638, 103774184, 129717730, 155661276, 168633049, 194576595, 259435460, 311322552, 337266098, 389153190, 505899147, 518870920, 674532196, 778306380, 843165245, 1011798294, 1349064392, 1556612760, 1686330490, 2023596588, 2529495735, 3372660980, 4047193176, 5058991470, 6745321960, 10117982940, 20235965880]

約数ペア:

[(1, 20235965880), (2, 10117982940), (3, 6745321960), (4, 5058991470), (5, 4047193176), (6, 3372660980), (8, 2529495735), (10, 2023596588), (12, 1686330490), (13, 1556612760), (15, 1349064392), (20, 1011798294), (24, 843165245), (26, 778306380), (30, 674532196), (39, 518870920), (40, 505899147), (52, 389153190), (60, 337266098), (65, 311322552), (78, 259435460), (104, 194576595), (120, 168633049), (130, 155661276), (156, 129717730), (195, 103774184), (260, 77830638), (312, 64858865), (390, 51887092), (520, 38915319), (780, 25943546), (1123, 18019560), (1560, 12971773), (2246, 9009780), (3369, 6006520), (4492, 4504890), (5615, 3603912), (6738, 3003260), (8984, 2252445), (11230, 1801956), (11551, 1751880), (13476, 1501630), (14599, 1386120), (16845, 1201304), (22460, 900978), (23102, 875940), (26952, 750815), (29198, 693060), (33690, 600652), (34653, 583960), (43797, 462040), (44920, 450489), (46204, 437970), (57755, 350376), (58396, 346530), (67380, 300326), (69306, 291980), (72995, 277224), (87594, 231020), (92408, 218985), (115510, 175188), (116792, 173265), (134760, 150163), (138612, 145990)]