20090979584

素因数分解:

$2^8\times {\mathrm{13}}^2\times {\mathrm{464381}}^1$

素因数の和:464423

約数の個数: 54

約数和(自身を含む): 43425753966

約数和(自身を除く): 23334774382

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 169, 208, 256, 338, 416, 676, 832, 1352, 1664, 2704, 3328, 5408, 10816, 21632, 43264, 464381, 928762, 1857524, 3715048, 6036953, 7430096, 12073906, 14860192, 24147812, 29720384, 48295624, 59440768, 78480389, 96591248, 118881536, 156960778, 193182496, 313921556, 386364992, 627843112, 772729984, 1255686224, 1545459968, 2511372448, 5022744896, 10045489792, 20090979584]

約数ペア:

[(1, 20090979584), (2, 10045489792), (4, 5022744896), (8, 2511372448), (13, 1545459968), (16, 1255686224), (26, 772729984), (32, 627843112), (52, 386364992), (64, 313921556), (104, 193182496), (128, 156960778), (169, 118881536), (208, 96591248), (256, 78480389), (338, 59440768), (416, 48295624), (676, 29720384), (832, 24147812), (1352, 14860192), (1664, 12073906), (2704, 7430096), (3328, 6036953), (5408, 3715048), (10816, 1857524), (21632, 928762), (43264, 464381)]