20165717632

素因数分解:

$2^7\times {\mathrm{71}}^1\times {\mathrm{521}}^1\times {\mathrm{4259}}^1$

素因数の和:4865

約数の個数: 64

約数和(自身を含む): 40827499200

約数和(自身を除く): 20661781568

約数列:

[1, 2, 4, 8, 16, 32, 64, 71, 128, 142, 284, 521, 568, 1042, 1136, 2084, 2272, 4168, 4259, 4544, 8336, 8518, 9088, 16672, 17036, 33344, 34072, 36991, 66688, 68144, 73982, 136288, 147964, 272576, 295928, 302389, 545152, 591856, 604778, 1183712, 1209556, 2218939, 2367424, 2419112, 4437878, 4734848, 4838224, 8875756, 9676448, 17751512, 19352896, 35503024, 38705792, 71006048, 142012096, 157544669, 284024192, 315089338, 630178676, 1260357352, 2520714704, 5041429408, 10082858816, 20165717632]

約数ペア:

[(1, 20165717632), (2, 10082858816), (4, 5041429408), (8, 2520714704), (16, 1260357352), (32, 630178676), (64, 315089338), (71, 284024192), (128, 157544669), (142, 142012096), (284, 71006048), (521, 38705792), (568, 35503024), (1042, 19352896), (1136, 17751512), (2084, 9676448), (2272, 8875756), (4168, 4838224), (4259, 4734848), (4544, 4437878), (8336, 2419112), (8518, 2367424), (9088, 2218939), (16672, 1209556), (17036, 1183712), (33344, 604778), (34072, 591856), (36991, 545152), (66688, 302389), (68144, 295928), (73982, 272576), (136288, 147964)]