20870256

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{29}}^2\times {\mathrm{47}}^1$

素因数の和:127

約数の個数: 120

約数和(自身を含む): 62210304

約数和(自身を除く): 41340048

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 29, 33, 44, 47, 48, 58, 66, 87, 88, 94, 116, 132, 141, 174, 176, 188, 232, 264, 282, 319, 348, 376, 464, 517, 528, 564, 638, 696, 752, 841, 957, 1034, 1128, 1276, 1363, 1392, 1551, 1682, 1914, 2068, 2256, 2523, 2552, 2726, 3102, 3364, 3828, 4089, 4136, 5046, 5104, 5452, 6204, 6728, 7656, 8178, 8272, 9251, 10092, 10904, 12408, 13456, 14993, 15312, 16356, 18502, 20184, 21808, 24816, 27753, 29986, 32712, 37004, 39527, 40368, 44979, 55506, 59972, 65424, 74008, 79054, 89958, 111012, 118581, 119944, 148016, 158108, 179916, 222024, 237162, 239888, 316216, 359832, 434797, 444048, 474324, 632432, 719664, 869594, 948648, 1304391, 1739188, 1897296, 2608782, 3478376, 5217564, 6956752, 10435128, 20870256]

約数ペア:

[(1, 20870256), (2, 10435128), (3, 6956752), (4, 5217564), (6, 3478376), (8, 2608782), (11, 1897296), (12, 1739188), (16, 1304391), (22, 948648), (24, 869594), (29, 719664), (33, 632432), (44, 474324), (47, 444048), (48, 434797), (58, 359832), (66, 316216), (87, 239888), (88, 237162), (94, 222024), (116, 179916), (132, 158108), (141, 148016), (174, 119944), (176, 118581), (188, 111012), (232, 89958), (264, 79054), (282, 74008), (319, 65424), (348, 59972), (376, 55506), (464, 44979), (517, 40368), (528, 39527), (564, 37004), (638, 32712), (696, 29986), (752, 27753), (841, 24816), (957, 21808), (1034, 20184), (1128, 18502), (1276, 16356), (1363, 15312), (1392, 14993), (1551, 13456), (1682, 12408), (1914, 10904), (2068, 10092), (2256, 9251), (2523, 8272), (2552, 8178), (2726, 7656), (3102, 6728), (3364, 6204), (3828, 5452), (4089, 5104), (4136, 5046)]