20553438170

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{283}}^1\times {\mathrm{307}}^1\times {\mathrm{577}}^1$

素因数の和:1215

約数の個数: 64

約数和(自身を含む): 38222464896

約数和(自身を除く): 17669026726

約数列:

[1, 2, 5, 10, 41, 82, 205, 283, 307, 410, 566, 577, 614, 1154, 1415, 1535, 2830, 2885, 3070, 5770, 11603, 12587, 23206, 23657, 25174, 47314, 58015, 62935, 86881, 116030, 118285, 125870, 163291, 173762, 177139, 236570, 326582, 354278, 434405, 816455, 868810, 885695, 1632910, 1771390, 3562121, 6694931, 7124242, 7262699, 13389862, 14525398, 17810605, 33474655, 35621210, 36313495, 50130337, 66949310, 72626990, 100260674, 250651685, 501303370, 2055343817, 4110687634, 10276719085, 20553438170]

約数ペア:

[(1, 20553438170), (2, 10276719085), (5, 4110687634), (10, 2055343817), (41, 501303370), (82, 250651685), (205, 100260674), (283, 72626990), (307, 66949310), (410, 50130337), (566, 36313495), (577, 35621210), (614, 33474655), (1154, 17810605), (1415, 14525398), (1535, 13389862), (2830, 7262699), (2885, 7124242), (3070, 6694931), (5770, 3562121), (11603, 1771390), (12587, 1632910), (23206, 885695), (23657, 868810), (25174, 816455), (47314, 434405), (58015, 354278), (62935, 326582), (86881, 236570), (116030, 177139), (118285, 173762), (125870, 163291)]