20148730736

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{489427}}^1$

素因数の和:489549

約数の個数: 40

約数和(自身を含む): 40783056384

約数和(自身を除く): 20634325648

約数列:

[1, 2, 4, 8, 16, 31, 62, 83, 124, 166, 248, 332, 496, 664, 1328, 2573, 5146, 10292, 20584, 41168, 489427, 978854, 1957708, 3915416, 7830832, 15172237, 30344474, 40622441, 60688948, 81244882, 121377896, 162489764, 242755792, 324979528, 649959056, 1259295671, 2518591342, 5037182684, 10074365368, 20148730736]

約数ペア:

[(1, 20148730736), (2, 10074365368), (4, 5037182684), (8, 2518591342), (16, 1259295671), (31, 649959056), (62, 324979528), (83, 242755792), (124, 162489764), (166, 121377896), (248, 81244882), (332, 60688948), (496, 40622441), (664, 30344474), (1328, 15172237), (2573, 7830832), (5146, 3915416), (10292, 1957708), (20584, 978854), (41168, 489427)]