20194460

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{307}}^1$

素因数の和:363

約数の個数: 96

約数和(自身を含む): 52157952

約数和(自身を除く): 31963492

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 23, 26, 44, 46, 52, 55, 65, 92, 110, 115, 130, 143, 220, 230, 253, 260, 286, 299, 307, 460, 506, 572, 598, 614, 715, 1012, 1196, 1228, 1265, 1430, 1495, 1535, 2530, 2860, 2990, 3070, 3289, 3377, 3991, 5060, 5980, 6140, 6578, 6754, 7061, 7982, 13156, 13508, 14122, 15964, 16445, 16885, 19955, 28244, 32890, 33770, 35305, 39910, 43901, 65780, 67540, 70610, 77671, 79820, 87802, 91793, 141220, 155342, 175604, 183586, 219505, 310684, 367172, 388355, 439010, 458965, 776710, 878020, 917930, 1009723, 1553420, 1835860, 2019446, 4038892, 5048615, 10097230, 20194460]

約数ペア:

[(1, 20194460), (2, 10097230), (4, 5048615), (5, 4038892), (10, 2019446), (11, 1835860), (13, 1553420), (20, 1009723), (22, 917930), (23, 878020), (26, 776710), (44, 458965), (46, 439010), (52, 388355), (55, 367172), (65, 310684), (92, 219505), (110, 183586), (115, 175604), (130, 155342), (143, 141220), (220, 91793), (230, 87802), (253, 79820), (260, 77671), (286, 70610), (299, 67540), (307, 65780), (460, 43901), (506, 39910), (572, 35305), (598, 33770), (614, 32890), (715, 28244), (1012, 19955), (1196, 16885), (1228, 16445), (1265, 15964), (1430, 14122), (1495, 13508), (1535, 13156), (2530, 7982), (2860, 7061), (2990, 6754), (3070, 6578), (3289, 6140), (3377, 5980), (3991, 5060)]