20343833360

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1091}}^1\times {\mathrm{13711}}^1$

素因数の和:14832

約数の個数: 80

約数和(自身を含む): 50131291392

約数和(自身を除く): 29787458032

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1091, 1360, 2182, 4364, 5455, 8728, 10910, 13711, 17456, 18547, 21820, 27422, 37094, 43640, 54844, 68555, 74188, 87280, 92735, 109688, 137110, 148376, 185470, 219376, 233087, 274220, 296752, 370940, 466174, 548440, 741880, 932348, 1096880, 1165435, 1483760, 1864696, 2330870, 3729392, 4661740, 9323480, 14958701, 18646960, 29917402, 59834804, 74793505, 119669608, 149587010, 239339216, 254297917, 299174020, 508595834, 598348040, 1017191668, 1196696080, 1271489585, 2034383336, 2542979170, 4068766672, 5085958340, 10171916680, 20343833360]

約数ペア:

[(1, 20343833360), (2, 10171916680), (4, 5085958340), (5, 4068766672), (8, 2542979170), (10, 2034383336), (16, 1271489585), (17, 1196696080), (20, 1017191668), (34, 598348040), (40, 508595834), (68, 299174020), (80, 254297917), (85, 239339216), (136, 149587010), (170, 119669608), (272, 74793505), (340, 59834804), (680, 29917402), (1091, 18646960), (1360, 14958701), (2182, 9323480), (4364, 4661740), (5455, 3729392), (8728, 2330870), (10910, 1864696), (13711, 1483760), (17456, 1165435), (18547, 1096880), (21820, 932348), (27422, 741880), (37094, 548440), (43640, 466174), (54844, 370940), (68555, 296752), (74188, 274220), (87280, 233087), (92735, 219376), (109688, 185470), (137110, 148376)]