20199973976

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{166151}}^1$

素因数の和:166344

約数の個数: 64

約数和(自身を含む): 46894740480

約数和(自身を除く): 26694766504

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 167, 182, 334, 364, 668, 728, 1169, 1336, 2171, 2338, 4342, 4676, 8684, 9352, 15197, 17368, 30394, 60788, 121576, 166151, 332302, 664604, 1163057, 1329208, 2159963, 2326114, 4319926, 4652228, 8639852, 9304456, 15119741, 17279704, 27747217, 30239482, 55494434, 60478964, 110988868, 120957928, 194230519, 221977736, 360713821, 388461038, 721427642, 776922076, 1442855284, 1553844152, 2524996747, 2885710568, 5049993494, 10099986988, 20199973976]

約数ペア:

[(1, 20199973976), (2, 10099986988), (4, 5049993494), (7, 2885710568), (8, 2524996747), (13, 1553844152), (14, 1442855284), (26, 776922076), (28, 721427642), (52, 388461038), (56, 360713821), (91, 221977736), (104, 194230519), (167, 120957928), (182, 110988868), (334, 60478964), (364, 55494434), (668, 30239482), (728, 27747217), (1169, 17279704), (1336, 15119741), (2171, 9304456), (2338, 8639852), (4342, 4652228), (4676, 4319926), (8684, 2326114), (9352, 2159963), (15197, 1329208), (17368, 1163057), (30394, 664604), (60788, 332302), (121576, 166151)]