20152170

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{31}}^2\times {\mathrm{233}}^1$

素因数の和:308

約数の個数: 72

約数和(自身を含む): 54372708

約数和(自身を除く): 34220538

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 31, 45, 62, 90, 93, 155, 186, 233, 279, 310, 465, 466, 558, 699, 930, 961, 1165, 1395, 1398, 1922, 2097, 2330, 2790, 2883, 3495, 4194, 4805, 5766, 6990, 7223, 8649, 9610, 10485, 14415, 14446, 17298, 20970, 21669, 28830, 36115, 43245, 43338, 65007, 72230, 86490, 108345, 130014, 216690, 223913, 325035, 447826, 650070, 671739, 1119565, 1343478, 2015217, 2239130, 3358695, 4030434, 6717390, 10076085, 20152170]

約数ペア:

[(1, 20152170), (2, 10076085), (3, 6717390), (5, 4030434), (6, 3358695), (9, 2239130), (10, 2015217), (15, 1343478), (18, 1119565), (30, 671739), (31, 650070), (45, 447826), (62, 325035), (90, 223913), (93, 216690), (155, 130014), (186, 108345), (233, 86490), (279, 72230), (310, 65007), (465, 43338), (466, 43245), (558, 36115), (699, 28830), (930, 21669), (961, 20970), (1165, 17298), (1395, 14446), (1398, 14415), (1922, 10485), (2097, 9610), (2330, 8649), (2790, 7223), (2883, 6990), (3495, 5766), (4194, 4805)]