20189676

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{331}}^1$

素因数の和:391

約数の個数: 96

約数和(自身を含む): 56222208

約数和(自身を除く): 36032532

約数列:

[1, 2, 3, 4, 6, 12, 13, 17, 23, 26, 34, 39, 46, 51, 52, 68, 69, 78, 92, 102, 138, 156, 204, 221, 276, 299, 331, 391, 442, 598, 662, 663, 782, 884, 897, 993, 1173, 1196, 1324, 1326, 1564, 1794, 1986, 2346, 2652, 3588, 3972, 4303, 4692, 5083, 5627, 7613, 8606, 10166, 11254, 12909, 15226, 15249, 16881, 17212, 20332, 22508, 22839, 25818, 30452, 30498, 33762, 45678, 51636, 60996, 67524, 73151, 91356, 98969, 129421, 146302, 197938, 219453, 258842, 292604, 296907, 388263, 395876, 438906, 517684, 593814, 776526, 877812, 1187628, 1553052, 1682473, 3364946, 5047419, 6729892, 10094838, 20189676]

約数ペア:

[(1, 20189676), (2, 10094838), (3, 6729892), (4, 5047419), (6, 3364946), (12, 1682473), (13, 1553052), (17, 1187628), (23, 877812), (26, 776526), (34, 593814), (39, 517684), (46, 438906), (51, 395876), (52, 388263), (68, 296907), (69, 292604), (78, 258842), (92, 219453), (102, 197938), (138, 146302), (156, 129421), (204, 98969), (221, 91356), (276, 73151), (299, 67524), (331, 60996), (391, 51636), (442, 45678), (598, 33762), (662, 30498), (663, 30452), (782, 25818), (884, 22839), (897, 22508), (993, 20332), (1173, 17212), (1196, 16881), (1324, 15249), (1326, 15226), (1564, 12909), (1794, 11254), (1986, 10166), (2346, 8606), (2652, 7613), (3588, 5627), (3972, 5083), (4303, 4692)]