20199031892

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{233}}^1\times {\mathrm{449}}^1$

素因数の和:825

約数の個数: 96

約数和(自身を含む): 39626496000

約数和(自身を除く): 19427464108

約数列:

[1, 2, 4, 13, 26, 47, 52, 79, 94, 158, 188, 233, 316, 449, 466, 611, 898, 932, 1027, 1222, 1796, 2054, 2444, 3029, 3713, 4108, 5837, 6058, 7426, 10951, 11674, 12116, 14852, 18407, 21103, 21902, 23348, 35471, 36814, 42206, 43804, 48269, 70942, 73628, 84412, 96538, 104617, 141884, 142363, 193076, 209234, 239291, 274339, 284726, 418468, 461123, 478582, 548678, 569452, 865129, 922246, 957164, 1097356, 1360021, 1667137, 1730258, 1844492, 2720042, 3334274, 3460516, 4916999, 5440084, 6668548, 8264743, 9833998, 11246677, 16529486, 19667996, 21672781, 22493354, 33058972, 43345562, 44986708, 63920987, 86691124, 107441659, 127841974, 214883318, 255683948, 388442921, 429766636, 776885842, 1553771684, 5049757973, 10099515946, 20199031892]

約数ペア:

[(1, 20199031892), (2, 10099515946), (4, 5049757973), (13, 1553771684), (26, 776885842), (47, 429766636), (52, 388442921), (79, 255683948), (94, 214883318), (158, 127841974), (188, 107441659), (233, 86691124), (316, 63920987), (449, 44986708), (466, 43345562), (611, 33058972), (898, 22493354), (932, 21672781), (1027, 19667996), (1222, 16529486), (1796, 11246677), (2054, 9833998), (2444, 8264743), (3029, 6668548), (3713, 5440084), (4108, 4916999), (5837, 3460516), (6058, 3334274), (7426, 2720042), (10951, 1844492), (11674, 1730258), (12116, 1667137), (14852, 1360021), (18407, 1097356), (21103, 957164), (21902, 922246), (23348, 865129), (35471, 569452), (36814, 548678), (42206, 478582), (43804, 461123), (48269, 418468), (70942, 284726), (73628, 274339), (84412, 239291), (96538, 209234), (104617, 193076), (141884, 142363)]