20565902480

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{106537}}^1$

素因数の和:106696

約数の個数: 80

約数和(自身を含む): 50729134080

約数和(自身を除く): 30163231600

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 127, 152, 190, 254, 304, 380, 508, 635, 760, 1016, 1270, 1520, 2032, 2413, 2540, 4826, 5080, 9652, 10160, 12065, 19304, 24130, 38608, 48260, 96520, 106537, 193040, 213074, 426148, 532685, 852296, 1065370, 1704592, 2024203, 2130740, 4048406, 4261480, 8096812, 8522960, 10121015, 13530199, 16193624, 20242030, 27060398, 32387248, 40484060, 54120796, 67650995, 80968120, 108241592, 135301990, 161936240, 216483184, 257073781, 270603980, 514147562, 541207960, 1028295124, 1082415920, 1285368905, 2056590248, 2570737810, 4113180496, 5141475620, 10282951240, 20565902480]

約数ペア:

[(1, 20565902480), (2, 10282951240), (4, 5141475620), (5, 4113180496), (8, 2570737810), (10, 2056590248), (16, 1285368905), (19, 1082415920), (20, 1028295124), (38, 541207960), (40, 514147562), (76, 270603980), (80, 257073781), (95, 216483184), (127, 161936240), (152, 135301990), (190, 108241592), (254, 80968120), (304, 67650995), (380, 54120796), (508, 40484060), (635, 32387248), (760, 27060398), (1016, 20242030), (1270, 16193624), (1520, 13530199), (2032, 10121015), (2413, 8522960), (2540, 8096812), (4826, 4261480), (5080, 4048406), (9652, 2130740), (10160, 2024203), (12065, 1704592), (19304, 1065370), (24130, 852296), (38608, 532685), (48260, 426148), (96520, 213074), (106537, 193040)]