20918088

素因数分解:

$2^3\times 3^4\times {\mathrm{19}}^1\times {\mathrm{1699}}^1$

素因数の和:1736

約数の個数: 80

約数和(自身を含む): 61710000

約数和(自身を除く): 40791912

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 27, 36, 38, 54, 57, 72, 76, 81, 108, 114, 152, 162, 171, 216, 228, 324, 342, 456, 513, 648, 684, 1026, 1368, 1539, 1699, 2052, 3078, 3398, 4104, 5097, 6156, 6796, 10194, 12312, 13592, 15291, 20388, 30582, 32281, 40776, 45873, 61164, 64562, 91746, 96843, 122328, 129124, 137619, 183492, 193686, 258248, 275238, 290529, 366984, 387372, 550476, 581058, 774744, 871587, 1100952, 1162116, 1743174, 2324232, 2614761, 3486348, 5229522, 6972696, 10459044, 20918088]

約数ペア:

[(1, 20918088), (2, 10459044), (3, 6972696), (4, 5229522), (6, 3486348), (8, 2614761), (9, 2324232), (12, 1743174), (18, 1162116), (19, 1100952), (24, 871587), (27, 774744), (36, 581058), (38, 550476), (54, 387372), (57, 366984), (72, 290529), (76, 275238), (81, 258248), (108, 193686), (114, 183492), (152, 137619), (162, 129124), (171, 122328), (216, 96843), (228, 91746), (324, 64562), (342, 61164), (456, 45873), (513, 40776), (648, 32281), (684, 30582), (1026, 20388), (1368, 15291), (1539, 13592), (1699, 12312), (2052, 10194), (3078, 6796), (3398, 6156), (4104, 5097)]