20148617488

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{631}}^1\times {\mathrm{105037}}^1$

素因数の和:105695

約数の個数: 40

約数和(自身を含む): 41158089920

約数和(自身を除く): 21009472432

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 631, 1262, 2524, 5048, 10096, 11989, 23978, 47956, 95912, 105037, 191824, 210074, 420148, 840296, 1680592, 1995703, 3991406, 7982812, 15965624, 31931248, 66278347, 132556694, 265113388, 530226776, 1060453552, 1259288593, 2518577186, 5037154372, 10074308744, 20148617488]

約数ペア:

[(1, 20148617488), (2, 10074308744), (4, 5037154372), (8, 2518577186), (16, 1259288593), (19, 1060453552), (38, 530226776), (76, 265113388), (152, 132556694), (304, 66278347), (631, 31931248), (1262, 15965624), (2524, 7982812), (5048, 3991406), (10096, 1995703), (11989, 1680592), (23978, 840296), (47956, 420148), (95912, 210074), (105037, 191824)]