20245488

素因数分解:

$2^4\times 3^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{281}}^1$

素因数の和:390

約数の個数: 80

約数和(自身を含む): 55948800

約数和(自身を除く): 35703312

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 38, 48, 57, 76, 79, 114, 152, 158, 228, 237, 281, 304, 316, 456, 474, 562, 632, 843, 912, 948, 1124, 1264, 1501, 1686, 1896, 2248, 3002, 3372, 3792, 4496, 4503, 5339, 6004, 6744, 9006, 10678, 12008, 13488, 16017, 18012, 21356, 22199, 24016, 32034, 36024, 42712, 44398, 64068, 66597, 72048, 85424, 88796, 128136, 133194, 177592, 256272, 266388, 355184, 421781, 532776, 843562, 1065552, 1265343, 1687124, 2530686, 3374248, 5061372, 6748496, 10122744, 20245488]

約数ペア:

[(1, 20245488), (2, 10122744), (3, 6748496), (4, 5061372), (6, 3374248), (8, 2530686), (12, 1687124), (16, 1265343), (19, 1065552), (24, 843562), (38, 532776), (48, 421781), (57, 355184), (76, 266388), (79, 256272), (114, 177592), (152, 133194), (158, 128136), (228, 88796), (237, 85424), (281, 72048), (304, 66597), (316, 64068), (456, 44398), (474, 42712), (562, 36024), (632, 32034), (843, 24016), (912, 22199), (948, 21356), (1124, 18012), (1264, 16017), (1501, 13488), (1686, 12008), (1896, 10678), (2248, 9006), (3002, 6744), (3372, 6004), (3792, 5339), (4496, 4503)]