20823504

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{151}}^1$

素因数の和:205

約数の個数: 120

約数和(自身を含む): 62085312

約数和(自身を除く): 41261808

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 17, 24, 26, 34, 39, 48, 51, 52, 68, 78, 102, 104, 136, 151, 156, 169, 204, 208, 221, 272, 302, 312, 338, 408, 442, 453, 507, 604, 624, 663, 676, 816, 884, 906, 1014, 1208, 1326, 1352, 1768, 1812, 1963, 2028, 2416, 2567, 2652, 2704, 2873, 3536, 3624, 3926, 4056, 5134, 5304, 5746, 5889, 7248, 7701, 7852, 8112, 8619, 10268, 10608, 11492, 11778, 15402, 15704, 17238, 20536, 22984, 23556, 25519, 30804, 31408, 33371, 34476, 41072, 45968, 47112, 51038, 61608, 66742, 68952, 76557, 94224, 100113, 102076, 123216, 133484, 137904, 153114, 200226, 204152, 266968, 306228, 400452, 408304, 433823, 533936, 612456, 800904, 867646, 1224912, 1301469, 1601808, 1735292, 2602938, 3470584, 5205876, 6941168, 10411752, 20823504]

約数ペア:

[(1, 20823504), (2, 10411752), (3, 6941168), (4, 5205876), (6, 3470584), (8, 2602938), (12, 1735292), (13, 1601808), (16, 1301469), (17, 1224912), (24, 867646), (26, 800904), (34, 612456), (39, 533936), (48, 433823), (51, 408304), (52, 400452), (68, 306228), (78, 266968), (102, 204152), (104, 200226), (136, 153114), (151, 137904), (156, 133484), (169, 123216), (204, 102076), (208, 100113), (221, 94224), (272, 76557), (302, 68952), (312, 66742), (338, 61608), (408, 51038), (442, 47112), (453, 45968), (507, 41072), (604, 34476), (624, 33371), (663, 31408), (676, 30804), (816, 25519), (884, 23556), (906, 22984), (1014, 20536), (1208, 17238), (1326, 15704), (1352, 15402), (1768, 11778), (1812, 11492), (1963, 10608), (2028, 10268), (2416, 8619), (2567, 8112), (2652, 7852), (2704, 7701), (2873, 7248), (3536, 5889), (3624, 5746), (3926, 5304), (4056, 5134)]