20141389720

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{331}}^1\times {\mathrm{52457}}^1$

素因数の和:52828

約数の個数: 64

約数和(自身を含む): 47023351200

約数和(自身を除く): 26881961480

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 331, 580, 662, 1160, 1324, 1655, 2648, 3310, 6620, 9599, 13240, 19198, 38396, 47995, 52457, 76792, 95990, 104914, 191980, 209828, 262285, 383960, 419656, 524570, 1049140, 1521253, 2098280, 3042506, 6085012, 7606265, 12170024, 15212530, 17363267, 30425060, 34726534, 60850120, 69453068, 86816335, 138906136, 173632670, 347265340, 503534743, 694530680, 1007069486, 2014138972, 2517673715, 4028277944, 5035347430, 10070694860, 20141389720]

約数ペア:

[(1, 20141389720), (2, 10070694860), (4, 5035347430), (5, 4028277944), (8, 2517673715), (10, 2014138972), (20, 1007069486), (29, 694530680), (40, 503534743), (58, 347265340), (116, 173632670), (145, 138906136), (232, 86816335), (290, 69453068), (331, 60850120), (580, 34726534), (662, 30425060), (1160, 17363267), (1324, 15212530), (1655, 12170024), (2648, 7606265), (3310, 6085012), (6620, 3042506), (9599, 2098280), (13240, 1521253), (19198, 1049140), (38396, 524570), (47995, 419656), (52457, 383960), (76792, 262285), (95990, 209828), (104914, 191980)]