20159690944

素因数分解:

$2^6\times {\mathrm{37}}^1\times {\mathrm{997}}^1\times {\mathrm{8539}}^1$

素因数の和:9585

約数の個数: 56

約数和(自身を含む): 41131611920

約数和(自身を除く): 20971920976

約数列:

[1, 2, 4, 8, 16, 32, 37, 64, 74, 148, 296, 592, 997, 1184, 1994, 2368, 3988, 7976, 8539, 15952, 17078, 31904, 34156, 36889, 63808, 68312, 73778, 136624, 147556, 273248, 295112, 315943, 546496, 590224, 631886, 1180448, 1263772, 2360896, 2527544, 5055088, 8513383, 10110176, 17026766, 20220352, 34053532, 68107064, 136214128, 272428256, 314995171, 544856512, 629990342, 1259980684, 2519961368, 5039922736, 10079845472, 20159690944]

約数ペア:

[(1, 20159690944), (2, 10079845472), (4, 5039922736), (8, 2519961368), (16, 1259980684), (32, 629990342), (37, 544856512), (64, 314995171), (74, 272428256), (148, 136214128), (296, 68107064), (592, 34053532), (997, 20220352), (1184, 17026766), (1994, 10110176), (2368, 8513383), (3988, 5055088), (7976, 2527544), (8539, 2360896), (15952, 1263772), (17078, 1180448), (31904, 631886), (34156, 590224), (36889, 546496), (63808, 315943), (68312, 295112), (73778, 273248), (136624, 147556)]