20771013075

素因数分解:

$3^1\times 5^2\times {\mathrm{23}}^2\times {\mathrm{41}}^1\times {\mathrm{113}}^2$

素因数の和:326

約数の個数: 108

約数和(自身を含む): 37103349192

約数和(自身を除く): 16332336117

約数列:

[1, 3, 5, 15, 23, 25, 41, 69, 75, 113, 115, 123, 205, 339, 345, 529, 565, 575, 615, 943, 1025, 1587, 1695, 1725, 2599, 2645, 2825, 2829, 3075, 4633, 4715, 7797, 7935, 8475, 12769, 12995, 13225, 13899, 14145, 21689, 23165, 23575, 38307, 38985, 39675, 59777, 63845, 64975, 65067, 69495, 70725, 106559, 108445, 115825, 179331, 191535, 194925, 293687, 298885, 319225, 319677, 325335, 347475, 523529, 532795, 542225, 881061, 896655, 957675, 1468435, 1494425, 1570587, 1598385, 1626675, 2450857, 2617645, 2663975, 4405305, 4483275, 6754801, 7342175, 7352571, 7852935, 7991925, 12041167, 12254285, 13088225, 20264403, 22026525, 33774005, 36123501, 36762855, 39264675, 60205835, 61271425, 101322015, 168870025, 180617505, 183814275, 276946841, 301029175, 506610075, 830840523, 903087525, 1384734205, 4154202615, 6923671025, 20771013075]

約数ペア:

[(1, 20771013075), (3, 6923671025), (5, 4154202615), (15, 1384734205), (23, 903087525), (25, 830840523), (41, 506610075), (69, 301029175), (75, 276946841), (113, 183814275), (115, 180617505), (123, 168870025), (205, 101322015), (339, 61271425), (345, 60205835), (529, 39264675), (565, 36762855), (575, 36123501), (615, 33774005), (943, 22026525), (1025, 20264403), (1587, 13088225), (1695, 12254285), (1725, 12041167), (2599, 7991925), (2645, 7852935), (2825, 7352571), (2829, 7342175), (3075, 6754801), (4633, 4483275), (4715, 4405305), (7797, 2663975), (7935, 2617645), (8475, 2450857), (12769, 1626675), (12995, 1598385), (13225, 1570587), (13899, 1494425), (14145, 1468435), (21689, 957675), (23165, 896655), (23575, 881061), (38307, 542225), (38985, 532795), (39675, 523529), (59777, 347475), (63845, 325335), (64975, 319677), (65067, 319225), (69495, 298885), (70725, 293687), (106559, 194925), (108445, 191535), (115825, 179331)]