20239511880

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{777247}}^1$

素因数の和:777299

約数の個数: 128

約数和(自身を含む): 71631175680

約数和(自身を除く): 51391663800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 31, 35, 40, 42, 56, 60, 62, 70, 84, 93, 105, 120, 124, 140, 155, 168, 186, 210, 217, 248, 280, 310, 372, 420, 434, 465, 620, 651, 744, 840, 868, 930, 1085, 1240, 1302, 1736, 1860, 2170, 2604, 3255, 3720, 4340, 5208, 6510, 8680, 13020, 26040, 777247, 1554494, 2331741, 3108988, 3886235, 4663482, 5440729, 6217976, 7772470, 9326964, 10881458, 11658705, 15544940, 16322187, 18653928, 21762916, 23317410, 24094657, 27203645, 31089880, 32644374, 43525832, 46634820, 48189314, 54407290, 65288748, 72283971, 81610935, 93269640, 96378628, 108814580, 120473285, 130577496, 144567942, 163221870, 168662599, 192757256, 217629160, 240946570, 289135884, 326443740, 337325198, 361419855, 481893140, 505987797, 578271768, 652887480, 674650396, 722839710, 843312995, 963786280, 1011975594, 1349300792, 1445679420, 1686625990, 2023951188, 2529938985, 2891358840, 3373251980, 4047902376, 5059877970, 6746503960, 10119755940, 20239511880]

約数ペア:

[(1, 20239511880), (2, 10119755940), (3, 6746503960), (4, 5059877970), (5, 4047902376), (6, 3373251980), (7, 2891358840), (8, 2529938985), (10, 2023951188), (12, 1686625990), (14, 1445679420), (15, 1349300792), (20, 1011975594), (21, 963786280), (24, 843312995), (28, 722839710), (30, 674650396), (31, 652887480), (35, 578271768), (40, 505987797), (42, 481893140), (56, 361419855), (60, 337325198), (62, 326443740), (70, 289135884), (84, 240946570), (93, 217629160), (105, 192757256), (120, 168662599), (124, 163221870), (140, 144567942), (155, 130577496), (168, 120473285), (186, 108814580), (210, 96378628), (217, 93269640), (248, 81610935), (280, 72283971), (310, 65288748), (372, 54407290), (420, 48189314), (434, 46634820), (465, 43525832), (620, 32644374), (651, 31089880), (744, 27203645), (840, 24094657), (868, 23317410), (930, 21762916), (1085, 18653928), (1240, 16322187), (1302, 15544940), (1736, 11658705), (1860, 10881458), (2170, 9326964), (2604, 7772470), (3255, 6217976), (3720, 5440729), (4340, 4663482), (5208, 3886235), (6510, 3108988), (8680, 2331741), (13020, 1554494), (26040, 777247)]