20963488

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{313}}^1$

素因数の和:366

約数の個数: 96

約数和(自身を含む): 53174016

約数和(自身を除く): 32210528

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 23, 26, 28, 32, 46, 52, 56, 91, 92, 104, 112, 161, 182, 184, 208, 224, 299, 313, 322, 364, 368, 416, 598, 626, 644, 728, 736, 1196, 1252, 1288, 1456, 2093, 2191, 2392, 2504, 2576, 2912, 4069, 4186, 4382, 4784, 5008, 5152, 7199, 8138, 8372, 8764, 9568, 10016, 14398, 16276, 16744, 17528, 28483, 28796, 32552, 33488, 35056, 50393, 56966, 57592, 65104, 66976, 70112, 93587, 100786, 113932, 115184, 130208, 187174, 201572, 227864, 230368, 374348, 403144, 455728, 655109, 748696, 806288, 911456, 1310218, 1497392, 1612576, 2620436, 2994784, 5240872, 10481744, 20963488]

約数ペア:

[(1, 20963488), (2, 10481744), (4, 5240872), (7, 2994784), (8, 2620436), (13, 1612576), (14, 1497392), (16, 1310218), (23, 911456), (26, 806288), (28, 748696), (32, 655109), (46, 455728), (52, 403144), (56, 374348), (91, 230368), (92, 227864), (104, 201572), (112, 187174), (161, 130208), (182, 115184), (184, 113932), (208, 100786), (224, 93587), (299, 70112), (313, 66976), (322, 65104), (364, 57592), (368, 56966), (416, 50393), (598, 35056), (626, 33488), (644, 32552), (728, 28796), (736, 28483), (1196, 17528), (1252, 16744), (1288, 16276), (1456, 14398), (2093, 10016), (2191, 9568), (2392, 8764), (2504, 8372), (2576, 8138), (2912, 7199), (4069, 5152), (4186, 5008), (4382, 4784)]