About the Number

20120620

20120619 ← → 20120621

2進数表記:1001100110000010000101100

漢数字表記:二千十二万六百二十

素因数分解:

2 2 × 5 1 × 13 1 × 19 1 × 4073 1

素因数の和:4114
約数の個数: 48
約数和(自身を含む): 47910240
約数和(自身を除く): 27789620

約数列:
[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 2470, 4073, 4940, 8146, 16292, 20365, 40730, 52949, 77387, 81460, 105898, 154774, 211796, 264745, 309548, 386935, 529490, 773870, 1006031, 1058980, 1547740, 2012062, 4024124, 5030155, 10060310, 20120620]

約数ペア:
[(1, 20120620), (2, 10060310), (4, 5030155), (5, 4024124), (10, 2012062), (13, 1547740), (19, 1058980), (20, 1006031), (26, 773870), (38, 529490), (52, 386935), (65, 309548), (76, 264745), (95, 211796), (130, 154774), (190, 105898), (247, 81460), (260, 77387), (380, 52949), (494, 40730), (988, 20365), (1235, 16292), (2470, 8146), (4073, 4940)]

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