20151644695

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{239}}^1\times {\mathrm{1151}}^1$

素因数の和:1445

約数の個数: 96

約数和(自身を含む): 31770869760

約数和(自身を除く): 11619225065

約数列:

[1, 5, 7, 13, 23, 35, 49, 65, 91, 115, 161, 239, 245, 299, 455, 637, 805, 1127, 1151, 1195, 1495, 1673, 2093, 3107, 3185, 5497, 5635, 5755, 8057, 8365, 10465, 11711, 14651, 14963, 15535, 21749, 26473, 27485, 38479, 40285, 56399, 58555, 71461, 73255, 74815, 104741, 108745, 132365, 152243, 185311, 192395, 269353, 275089, 281995, 344149, 357305, 500227, 523705, 733187, 761215, 926555, 1297177, 1346765, 1375445, 1720745, 1925623, 2409043, 2501135, 3501589, 3576157, 3665935, 6327047, 6485885, 9628115, 12045215, 13479361, 16863301, 17507945, 17880785, 25033099, 31635235, 44289329, 67396805, 82251611, 84316505, 125165495, 175231693, 221446645, 310025303, 411258055, 575761277, 876158465, 1550126515, 2878806385, 4030328939, 20151644695]

約数ペア:

[(1, 20151644695), (5, 4030328939), (7, 2878806385), (13, 1550126515), (23, 876158465), (35, 575761277), (49, 411258055), (65, 310025303), (91, 221446645), (115, 175231693), (161, 125165495), (239, 84316505), (245, 82251611), (299, 67396805), (455, 44289329), (637, 31635235), (805, 25033099), (1127, 17880785), (1151, 17507945), (1195, 16863301), (1495, 13479361), (1673, 12045215), (2093, 9628115), (3107, 6485885), (3185, 6327047), (5497, 3665935), (5635, 3576157), (5755, 3501589), (8057, 2501135), (8365, 2409043), (10465, 1925623), (11711, 1720745), (14651, 1375445), (14963, 1346765), (15535, 1297177), (21749, 926555), (26473, 761215), (27485, 733187), (38479, 523705), (40285, 500227), (56399, 357305), (58555, 344149), (71461, 281995), (73255, 275089), (74815, 269353), (104741, 192395), (108745, 185311), (132365, 152243)]