20185249744

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{41389}}^1$

素因数の和:41588

約数の個数: 80

約数和(自身を含む): 45452180160

約数和(自身を除く): 25266930416

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 34, 44, 68, 88, 136, 163, 176, 187, 272, 326, 374, 652, 748, 1304, 1496, 1793, 2608, 2771, 2992, 3586, 5542, 7172, 11084, 14344, 22168, 28688, 30481, 41389, 44336, 60962, 82778, 121924, 165556, 243848, 331112, 455279, 487696, 662224, 703613, 910558, 1407226, 1821116, 2814452, 3642232, 5628904, 6746407, 7284464, 7739743, 11257808, 13492814, 15479486, 26985628, 30958972, 53971256, 61917944, 74210477, 107942512, 114688919, 123835888, 148420954, 229377838, 296841908, 458755676, 593683816, 917511352, 1187367632, 1261578109, 1835022704, 2523156218, 5046312436, 10092624872, 20185249744]

約数ペア:

[(1, 20185249744), (2, 10092624872), (4, 5046312436), (8, 2523156218), (11, 1835022704), (16, 1261578109), (17, 1187367632), (22, 917511352), (34, 593683816), (44, 458755676), (68, 296841908), (88, 229377838), (136, 148420954), (163, 123835888), (176, 114688919), (187, 107942512), (272, 74210477), (326, 61917944), (374, 53971256), (652, 30958972), (748, 26985628), (1304, 15479486), (1496, 13492814), (1793, 11257808), (2608, 7739743), (2771, 7284464), (2992, 6746407), (3586, 5628904), (5542, 3642232), (7172, 2814452), (11084, 1821116), (14344, 1407226), (22168, 910558), (28688, 703613), (30481, 662224), (41389, 487696), (44336, 455279), (60962, 331112), (82778, 243848), (121924, 165556)]