20578350

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{173}}^1$

素因数の和:262

約数の個数: 96

約数和(自身を含む): 56183904

約数和(自身を除く): 35605554

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 25, 26, 30, 39, 50, 61, 65, 75, 78, 122, 130, 150, 173, 183, 195, 305, 325, 346, 366, 390, 519, 610, 650, 793, 865, 915, 975, 1038, 1525, 1586, 1730, 1830, 1950, 2249, 2379, 2595, 3050, 3965, 4325, 4498, 4575, 4758, 5190, 6747, 7930, 8650, 9150, 10553, 11245, 11895, 12975, 13494, 19825, 21106, 22490, 23790, 25950, 31659, 33735, 39650, 52765, 56225, 59475, 63318, 67470, 105530, 112450, 118950, 137189, 158295, 168675, 263825, 274378, 316590, 337350, 411567, 527650, 685945, 791475, 823134, 1371890, 1582950, 2057835, 3429725, 4115670, 6859450, 10289175, 20578350]

約数ペア:

[(1, 20578350), (2, 10289175), (3, 6859450), (5, 4115670), (6, 3429725), (10, 2057835), (13, 1582950), (15, 1371890), (25, 823134), (26, 791475), (30, 685945), (39, 527650), (50, 411567), (61, 337350), (65, 316590), (75, 274378), (78, 263825), (122, 168675), (130, 158295), (150, 137189), (173, 118950), (183, 112450), (195, 105530), (305, 67470), (325, 63318), (346, 59475), (366, 56225), (390, 52765), (519, 39650), (610, 33735), (650, 31659), (793, 25950), (865, 23790), (915, 22490), (975, 21106), (1038, 19825), (1525, 13494), (1586, 12975), (1730, 11895), (1830, 11245), (1950, 10553), (2249, 9150), (2379, 8650), (2595, 7930), (3050, 6747), (3965, 5190), (4325, 4758), (4498, 4575)]