20120573452

素因数分解:

$2^2\times 7^3\times {\mathrm{2663}}^1\times {\mathrm{5507}}^1$

素因数の和:8195

約数の個数: 48

約数和(自身を含む): 41085273600

約数和(自身を除く): 20964700148

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 343, 686, 1372, 2663, 5326, 5507, 10652, 11014, 18641, 22028, 37282, 38549, 74564, 77098, 130487, 154196, 260974, 269843, 521948, 539686, 913409, 1079372, 1826818, 1888901, 3653636, 3777802, 7555604, 14665141, 29330282, 58660564, 102655987, 205311974, 410623948, 718591909, 1437183818, 2874367636, 5030143363, 10060286726, 20120573452]

約数ペア:

[(1, 20120573452), (2, 10060286726), (4, 5030143363), (7, 2874367636), (14, 1437183818), (28, 718591909), (49, 410623948), (98, 205311974), (196, 102655987), (343, 58660564), (686, 29330282), (1372, 14665141), (2663, 7555604), (5326, 3777802), (5507, 3653636), (10652, 1888901), (11014, 1826818), (18641, 1079372), (22028, 913409), (37282, 539686), (38549, 521948), (74564, 269843), (77098, 260974), (130487, 154196)]