20186563592

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{1489}}^1\times {\mathrm{2137}}^1$

素因数の和:3706

約数の個数: 64

約数和(自身を含む): 41476772400

約数和(自身を除く): 21290208808

約数列:

[1, 2, 4, 8, 13, 26, 52, 61, 104, 122, 244, 488, 793, 1489, 1586, 2137, 2978, 3172, 4274, 5956, 6344, 8548, 11912, 17096, 19357, 27781, 38714, 55562, 77428, 90829, 111124, 130357, 154856, 181658, 222248, 260714, 363316, 521428, 726632, 1042856, 1180777, 1694641, 2361554, 3181993, 3389282, 4723108, 6363986, 6778564, 9446216, 12727972, 13557128, 25455944, 41365909, 82731818, 165463636, 194101573, 330927272, 388203146, 776406292, 1552812584, 2523320449, 5046640898, 10093281796, 20186563592]

約数ペア:

[(1, 20186563592), (2, 10093281796), (4, 5046640898), (8, 2523320449), (13, 1552812584), (26, 776406292), (52, 388203146), (61, 330927272), (104, 194101573), (122, 165463636), (244, 82731818), (488, 41365909), (793, 25455944), (1489, 13557128), (1586, 12727972), (2137, 9446216), (2978, 6778564), (3172, 6363986), (4274, 4723108), (5956, 3389282), (6344, 3181993), (8548, 2361554), (11912, 1694641), (17096, 1180777), (19357, 1042856), (27781, 726632), (38714, 521428), (55562, 363316), (77428, 260714), (90829, 222248), (111124, 181658), (130357, 154856)]