20199456240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{1152937}}^1$

素因数の和:1153026

約数の個数: 80

約数和(自身を含む): 63476154528

約数和(自身を除く): 43276698288

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 73, 80, 120, 146, 219, 240, 292, 365, 438, 584, 730, 876, 1095, 1168, 1460, 1752, 2190, 2920, 3504, 4380, 5840, 8760, 17520, 1152937, 2305874, 3458811, 4611748, 5764685, 6917622, 9223496, 11529370, 13835244, 17294055, 18446992, 23058740, 27670488, 34588110, 46117480, 55340976, 69176220, 84164401, 92234960, 138352440, 168328802, 252493203, 276704880, 336657604, 420822005, 504986406, 673315208, 841644010, 1009972812, 1262466015, 1346630416, 1683288020, 2019945624, 2524932030, 3366576040, 4039891248, 5049864060, 6733152080, 10099728120, 20199456240]

約数ペア:

[(1, 20199456240), (2, 10099728120), (3, 6733152080), (4, 5049864060), (5, 4039891248), (6, 3366576040), (8, 2524932030), (10, 2019945624), (12, 1683288020), (15, 1346630416), (16, 1262466015), (20, 1009972812), (24, 841644010), (30, 673315208), (40, 504986406), (48, 420822005), (60, 336657604), (73, 276704880), (80, 252493203), (120, 168328802), (146, 138352440), (219, 92234960), (240, 84164401), (292, 69176220), (365, 55340976), (438, 46117480), (584, 34588110), (730, 27670488), (876, 23058740), (1095, 18446992), (1168, 17294055), (1460, 13835244), (1752, 11529370), (2190, 9223496), (2920, 6917622), (3504, 5764685), (4380, 4611748), (5840, 3458811), (8760, 2305874), (17520, 1152937)]