20175281024

素因数分解:

$2^7\times {\mathrm{19}}^1\times {\mathrm{631}}^1\times {\mathrm{13147}}^1$

素因数の和:13811

約数の個数: 64

約数和(自身を含む): 42378633600

約数和(自身を除く): 22203352576

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 304, 608, 631, 1216, 1262, 2432, 2524, 5048, 10096, 11989, 13147, 20192, 23978, 26294, 40384, 47956, 52588, 80768, 95912, 105176, 191824, 210352, 249793, 383648, 420704, 499586, 767296, 841408, 999172, 1534592, 1682816, 1998344, 3996688, 7993376, 8295757, 15986752, 16591514, 31973504, 33183028, 66366056, 132732112, 157619383, 265464224, 315238766, 530928448, 630477532, 1061856896, 1260955064, 2521910128, 5043820256, 10087640512, 20175281024]

約数ペア:

[(1, 20175281024), (2, 10087640512), (4, 5043820256), (8, 2521910128), (16, 1260955064), (19, 1061856896), (32, 630477532), (38, 530928448), (64, 315238766), (76, 265464224), (128, 157619383), (152, 132732112), (304, 66366056), (608, 33183028), (631, 31973504), (1216, 16591514), (1262, 15986752), (2432, 8295757), (2524, 7993376), (5048, 3996688), (10096, 1998344), (11989, 1682816), (13147, 1534592), (20192, 999172), (23978, 841408), (26294, 767296), (40384, 499586), (47956, 420704), (52588, 383648), (80768, 249793), (95912, 210352), (105176, 191824)]