20480304

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1427}}^1$

素因数の和:1474

約数の個数: 80

約数和(自身を含む): 59496192

約数和(自身を除く): 39015888

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 23, 24, 26, 39, 46, 48, 52, 69, 78, 92, 104, 138, 156, 184, 208, 276, 299, 312, 368, 552, 598, 624, 897, 1104, 1196, 1427, 1794, 2392, 2854, 3588, 4281, 4784, 5708, 7176, 8562, 11416, 14352, 17124, 18551, 22832, 32821, 34248, 37102, 55653, 65642, 68496, 74204, 98463, 111306, 131284, 148408, 196926, 222612, 262568, 296816, 393852, 426673, 445224, 525136, 787704, 853346, 890448, 1280019, 1575408, 1706692, 2560038, 3413384, 5120076, 6826768, 10240152, 20480304]

約数ペア:

[(1, 20480304), (2, 10240152), (3, 6826768), (4, 5120076), (6, 3413384), (8, 2560038), (12, 1706692), (13, 1575408), (16, 1280019), (23, 890448), (24, 853346), (26, 787704), (39, 525136), (46, 445224), (48, 426673), (52, 393852), (69, 296816), (78, 262568), (92, 222612), (104, 196926), (138, 148408), (156, 131284), (184, 111306), (208, 98463), (276, 74204), (299, 68496), (312, 65642), (368, 55653), (552, 37102), (598, 34248), (624, 32821), (897, 22832), (1104, 18551), (1196, 17124), (1427, 14352), (1794, 11416), (2392, 8562), (2854, 7176), (3588, 5708), (4281, 4784)]