20542494648

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{344719}}^1$

素因数の和:344932

約数の個数: 64

約数和(自身を含む): 55596441600

約数和(自身を除く): 35053946952

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 191, 312, 382, 573, 764, 1146, 1528, 2292, 2483, 4584, 4966, 7449, 9932, 14898, 19864, 29796, 59592, 344719, 689438, 1034157, 1378876, 2068314, 2757752, 4136628, 4481347, 8273256, 8962694, 13444041, 17925388, 26888082, 35850776, 53776164, 65841329, 107552328, 131682658, 197523987, 263365316, 395047974, 526730632, 790095948, 855937277, 1580191896, 1711874554, 2567811831, 3423749108, 5135623662, 6847498216, 10271247324, 20542494648]

約数ペア:

[(1, 20542494648), (2, 10271247324), (3, 6847498216), (4, 5135623662), (6, 3423749108), (8, 2567811831), (12, 1711874554), (13, 1580191896), (24, 855937277), (26, 790095948), (39, 526730632), (52, 395047974), (78, 263365316), (104, 197523987), (156, 131682658), (191, 107552328), (312, 65841329), (382, 53776164), (573, 35850776), (764, 26888082), (1146, 17925388), (1528, 13444041), (2292, 8962694), (2483, 8273256), (4584, 4481347), (4966, 4136628), (7449, 2757752), (9932, 2068314), (14898, 1378876), (19864, 1034157), (29796, 689438), (59592, 344719)]