20004516

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{47}}^1\times {\mathrm{563}}^1$

素因数の和:630

約数の個数: 96

約数和(自身を含む): 60641280

約数和(自身を除く): 40636764

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 47, 54, 63, 84, 94, 108, 126, 141, 188, 189, 252, 282, 329, 378, 423, 563, 564, 658, 756, 846, 987, 1126, 1269, 1316, 1689, 1692, 1974, 2252, 2538, 2961, 3378, 3941, 3948, 5067, 5076, 5922, 6756, 7882, 8883, 10134, 11823, 11844, 15201, 15764, 17766, 20268, 23646, 26461, 30402, 35469, 35532, 47292, 52922, 60804, 70938, 79383, 105844, 106407, 141876, 158766, 185227, 212814, 238149, 317532, 370454, 425628, 476298, 555681, 714447, 740908, 952596, 1111362, 1428894, 1667043, 2222724, 2857788, 3334086, 5001129, 6668172, 10002258, 20004516]

約数ペア:

[(1, 20004516), (2, 10002258), (3, 6668172), (4, 5001129), (6, 3334086), (7, 2857788), (9, 2222724), (12, 1667043), (14, 1428894), (18, 1111362), (21, 952596), (27, 740908), (28, 714447), (36, 555681), (42, 476298), (47, 425628), (54, 370454), (63, 317532), (84, 238149), (94, 212814), (108, 185227), (126, 158766), (141, 141876), (188, 106407), (189, 105844), (252, 79383), (282, 70938), (329, 60804), (378, 52922), (423, 47292), (563, 35532), (564, 35469), (658, 30402), (756, 26461), (846, 23646), (987, 20268), (1126, 17766), (1269, 15764), (1316, 15201), (1689, 11844), (1692, 11823), (1974, 10134), (2252, 8883), (2538, 7882), (2961, 6756), (3378, 5922), (3941, 5076), (3948, 5067)]