20874768

素因数分解:

$2^4\times 3^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{487}}^1$

素因数の和:564

約数の個数: 80

約数和(自身を含む): 58091520

約数和(自身を除く): 37216752

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 38, 47, 48, 57, 76, 94, 114, 141, 152, 188, 228, 282, 304, 376, 456, 487, 564, 752, 893, 912, 974, 1128, 1461, 1786, 1948, 2256, 2679, 2922, 3572, 3896, 5358, 5844, 7144, 7792, 9253, 10716, 11688, 14288, 18506, 21432, 22889, 23376, 27759, 37012, 42864, 45778, 55518, 68667, 74024, 91556, 111036, 137334, 148048, 183112, 222072, 274668, 366224, 434891, 444144, 549336, 869782, 1098672, 1304673, 1739564, 2609346, 3479128, 5218692, 6958256, 10437384, 20874768]

約数ペア:

[(1, 20874768), (2, 10437384), (3, 6958256), (4, 5218692), (6, 3479128), (8, 2609346), (12, 1739564), (16, 1304673), (19, 1098672), (24, 869782), (38, 549336), (47, 444144), (48, 434891), (57, 366224), (76, 274668), (94, 222072), (114, 183112), (141, 148048), (152, 137334), (188, 111036), (228, 91556), (282, 74024), (304, 68667), (376, 55518), (456, 45778), (487, 42864), (564, 37012), (752, 27759), (893, 23376), (912, 22889), (974, 21432), (1128, 18506), (1461, 14288), (1786, 11688), (1948, 10716), (2256, 9253), (2679, 7792), (2922, 7144), (3572, 5844), (3896, 5358)]