20528020890

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{331}}^1\times {\mathrm{17669}}^1$

素因数の和:18029

約数の個数: 128

約数和(自身を含む): 59133715200

約数和(自身を除く): 38605694310

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 27, 30, 39, 45, 54, 65, 78, 90, 117, 130, 135, 195, 234, 270, 331, 351, 390, 585, 662, 702, 993, 1170, 1655, 1755, 1986, 2979, 3310, 3510, 4303, 4965, 5958, 8606, 8937, 9930, 12909, 14895, 17669, 17874, 21515, 25818, 29790, 35338, 38727, 43030, 44685, 53007, 64545, 77454, 88345, 89370, 106014, 116181, 129090, 159021, 176690, 193635, 229697, 232362, 265035, 318042, 387270, 459394, 477063, 530070, 580905, 689091, 795105, 954126, 1148485, 1161810, 1378182, 1590210, 2067273, 2296970, 2385315, 3445455, 4134546, 4770630, 5848439, 6201819, 6890910, 10336365, 11696878, 12403638, 17545317, 20672730, 29242195, 31009095, 35090634, 52635951, 58484390, 62018190, 76029707, 87726585, 105271902, 152059414, 157907853, 175453170, 228089121, 263179755, 315815706, 380148535, 456178242, 526359510, 684267363, 760297070, 789539265, 1140445605, 1368534726, 1579078530, 2052802089, 2280891210, 3421336815, 4105604178, 6842673630, 10264010445, 20528020890]

約数ペア:

[(1, 20528020890), (2, 10264010445), (3, 6842673630), (5, 4105604178), (6, 3421336815), (9, 2280891210), (10, 2052802089), (13, 1579078530), (15, 1368534726), (18, 1140445605), (26, 789539265), (27, 760297070), (30, 684267363), (39, 526359510), (45, 456178242), (54, 380148535), (65, 315815706), (78, 263179755), (90, 228089121), (117, 175453170), (130, 157907853), (135, 152059414), (195, 105271902), (234, 87726585), (270, 76029707), (331, 62018190), (351, 58484390), (390, 52635951), (585, 35090634), (662, 31009095), (702, 29242195), (993, 20672730), (1170, 17545317), (1655, 12403638), (1755, 11696878), (1986, 10336365), (2979, 6890910), (3310, 6201819), (3510, 5848439), (4303, 4770630), (4965, 4134546), (5958, 3445455), (8606, 2385315), (8937, 2296970), (9930, 2067273), (12909, 1590210), (14895, 1378182), (17669, 1161810), (17874, 1148485), (21515, 954126), (25818, 795105), (29790, 689091), (35338, 580905), (38727, 530070), (43030, 477063), (44685, 459394), (53007, 387270), (64545, 318042), (77454, 265035), (88345, 232362), (89370, 229697), (106014, 193635), (116181, 176690), (129090, 159021)]