20730480

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{5081}}^1$

素因数の和:5114

約数の個数: 80

約数和(自身を含む): 68058144

約数和(自身を除く): 47327664

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 34, 40, 48, 51, 60, 68, 80, 85, 102, 120, 136, 170, 204, 240, 255, 272, 340, 408, 510, 680, 816, 1020, 1360, 2040, 4080, 5081, 10162, 15243, 20324, 25405, 30486, 40648, 50810, 60972, 76215, 81296, 86377, 101620, 121944, 152430, 172754, 203240, 243888, 259131, 304860, 345508, 406480, 431885, 518262, 609720, 691016, 863770, 1036524, 1219440, 1295655, 1382032, 1727540, 2073048, 2591310, 3455080, 4146096, 5182620, 6910160, 10365240, 20730480]

約数ペア:

[(1, 20730480), (2, 10365240), (3, 6910160), (4, 5182620), (5, 4146096), (6, 3455080), (8, 2591310), (10, 2073048), (12, 1727540), (15, 1382032), (16, 1295655), (17, 1219440), (20, 1036524), (24, 863770), (30, 691016), (34, 609720), (40, 518262), (48, 431885), (51, 406480), (60, 345508), (68, 304860), (80, 259131), (85, 243888), (102, 203240), (120, 172754), (136, 152430), (170, 121944), (204, 101620), (240, 86377), (255, 81296), (272, 76215), (340, 60972), (408, 50810), (510, 40648), (680, 30486), (816, 25405), (1020, 20324), (1360, 15243), (2040, 10162), (4080, 5081)]