20925384

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{421}}^1$

素因数の和:558

約数の個数: 64

約数和(自身を含む): 55704000

約数和(自身を除く): 34778616

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 38, 57, 76, 109, 114, 152, 218, 228, 327, 421, 436, 456, 654, 842, 872, 1263, 1308, 1684, 2071, 2526, 2616, 3368, 4142, 5052, 6213, 7999, 8284, 10104, 12426, 15998, 16568, 23997, 24852, 31996, 45889, 47994, 49704, 63992, 91778, 95988, 137667, 183556, 191976, 275334, 367112, 550668, 871891, 1101336, 1743782, 2615673, 3487564, 5231346, 6975128, 10462692, 20925384]

約数ペア:

[(1, 20925384), (2, 10462692), (3, 6975128), (4, 5231346), (6, 3487564), (8, 2615673), (12, 1743782), (19, 1101336), (24, 871891), (38, 550668), (57, 367112), (76, 275334), (109, 191976), (114, 183556), (152, 137667), (218, 95988), (228, 91778), (327, 63992), (421, 49704), (436, 47994), (456, 45889), (654, 31996), (842, 24852), (872, 23997), (1263, 16568), (1308, 15998), (1684, 12426), (2071, 10104), (2526, 8284), (2616, 7999), (3368, 6213), (4142, 5052)]