20492705532

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{687767}}^1$

素因数の和:687978

約数の個数: 48

約数和(自身を含む): 51764170752

約数和(自身を除く): 31271465220

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 191, 382, 573, 764, 1146, 2292, 2483, 4966, 7449, 9932, 14898, 29796, 687767, 1375534, 2063301, 2751068, 4126602, 8253204, 8940971, 17881942, 26822913, 35763884, 53645826, 107291652, 131363497, 262726994, 394090491, 525453988, 788180982, 1576361964, 1707725461, 3415450922, 5123176383, 6830901844, 10246352766, 20492705532]

約数ペア:

[(1, 20492705532), (2, 10246352766), (3, 6830901844), (4, 5123176383), (6, 3415450922), (12, 1707725461), (13, 1576361964), (26, 788180982), (39, 525453988), (52, 394090491), (78, 262726994), (156, 131363497), (191, 107291652), (382, 53645826), (573, 35763884), (764, 26822913), (1146, 17881942), (2292, 8940971), (2483, 8253204), (4966, 4126602), (7449, 2751068), (9932, 2063301), (14898, 1375534), (29796, 687767)]