20183586175

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{1549}}^1$

素因数の和:1673

約数の個数: 96

約数和(自身を含む): 29226700800

約数和(自身を除く): 9043114625

約数列:

[1, 5, 17, 23, 25, 31, 43, 85, 115, 155, 215, 391, 425, 527, 575, 713, 731, 775, 989, 1075, 1333, 1549, 1955, 2635, 3565, 3655, 4945, 6665, 7745, 9775, 12121, 13175, 16813, 17825, 18275, 22661, 24725, 26333, 30659, 33325, 35627, 38725, 48019, 60605, 66607, 84065, 113305, 131665, 153295, 178135, 240095, 303025, 333035, 420325, 521203, 566525, 605659, 658325, 766475, 816323, 890675, 1104437, 1132319, 1200475, 1531961, 1665175, 2064817, 2606015, 3028295, 4081615, 5522185, 5661595, 7659805, 10324085, 13030075, 15141475, 18775429, 20408075, 26043337, 27610925, 28307975, 35101889, 38299025, 47490791, 51620425, 93877145, 130216685, 175509445, 237453955, 469385725, 651083425, 807343447, 877547225, 1187269775, 4036717235, 20183586175]

約数ペア:

[(1, 20183586175), (5, 4036717235), (17, 1187269775), (23, 877547225), (25, 807343447), (31, 651083425), (43, 469385725), (85, 237453955), (115, 175509445), (155, 130216685), (215, 93877145), (391, 51620425), (425, 47490791), (527, 38299025), (575, 35101889), (713, 28307975), (731, 27610925), (775, 26043337), (989, 20408075), (1075, 18775429), (1333, 15141475), (1549, 13030075), (1955, 10324085), (2635, 7659805), (3565, 5661595), (3655, 5522185), (4945, 4081615), (6665, 3028295), (7745, 2606015), (9775, 2064817), (12121, 1665175), (13175, 1531961), (16813, 1200475), (17825, 1132319), (18275, 1104437), (22661, 890675), (24725, 816323), (26333, 766475), (30659, 658325), (33325, 605659), (35627, 566525), (38725, 521203), (48019, 420325), (60605, 333035), (66607, 303025), (84065, 240095), (113305, 178135), (131665, 153295)]