20731620468

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{4243}}^1\times {\mathrm{31321}}^1$

素因数の和:35584

約数の個数: 48

約数和(自身を含む): 52108782656

約数和(自身を除く): 31377162188

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 4243, 8486, 12729, 16972, 25458, 31321, 50916, 55159, 62642, 93963, 110318, 125284, 165477, 187926, 220636, 330954, 375852, 407173, 661908, 814346, 1221519, 1628692, 2443038, 4886076, 132895003, 265790006, 398685009, 531580012, 797370018, 1594740036, 1727635039, 3455270078, 5182905117, 6910540156, 10365810234, 20731620468]

約数ペア:

[(1, 20731620468), (2, 10365810234), (3, 6910540156), (4, 5182905117), (6, 3455270078), (12, 1727635039), (13, 1594740036), (26, 797370018), (39, 531580012), (52, 398685009), (78, 265790006), (156, 132895003), (4243, 4886076), (8486, 2443038), (12729, 1628692), (16972, 1221519), (25458, 814346), (31321, 661908), (50916, 407173), (55159, 375852), (62642, 330954), (93963, 220636), (110318, 187926), (125284, 165477)]