20456838

素因数分解:

$2^1\times 3^2\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{601}}^1$

素因数の和:701

約数の個数: 48

約数和(自身を含む): 46580352

約数和(自身を除く): 26123514

約数列:

[1, 2, 3, 6, 9, 18, 31, 61, 62, 93, 122, 183, 186, 279, 366, 549, 558, 601, 1098, 1202, 1803, 1891, 3606, 3782, 5409, 5673, 10818, 11346, 17019, 18631, 34038, 36661, 37262, 55893, 73322, 109983, 111786, 167679, 219966, 329949, 335358, 659898, 1136491, 2272982, 3409473, 6818946, 10228419, 20456838]

約数ペア:

[(1, 20456838), (2, 10228419), (3, 6818946), (6, 3409473), (9, 2272982), (18, 1136491), (31, 659898), (61, 335358), (62, 329949), (93, 219966), (122, 167679), (183, 111786), (186, 109983), (279, 73322), (366, 55893), (549, 37262), (558, 36661), (601, 34038), (1098, 18631), (1202, 17019), (1803, 11346), (1891, 10818), (3606, 5673), (3782, 5409)]