About the Number

202100020

202100019 ← → 202100021

2進数表記:1100000010111100110100110100

漢数字表記:二億二百十万二十

素因数分解:

2 2 × 5 1 × 83 1 × 211 1 × 577 1

素因数の和:880
約数の個数: 48
約数和(自身を含む): 432307008
約数和(自身を除く): 230206988

約数列:
[1, 2, 4, 5, 10, 20, 83, 166, 211, 332, 415, 422, 577, 830, 844, 1055, 1154, 1660, 2110, 2308, 2885, 4220, 5770, 11540, 17513, 35026, 47891, 70052, 87565, 95782, 121747, 175130, 191564, 239455, 243494, 350260, 478910, 486988, 608735, 957820, 1217470, 2434940, 10105001, 20210002, 40420004, 50525005, 101050010, 202100020]

約数ペア:
[(1, 202100020), (2, 101050010), (4, 50525005), (5, 40420004), (10, 20210002), (20, 10105001), (83, 2434940), (166, 1217470), (211, 957820), (332, 608735), (415, 486988), (422, 478910), (577, 350260), (830, 243494), (844, 239455), (1055, 191564), (1154, 175130), (1660, 121747), (2110, 95782), (2308, 87565), (2885, 70052), (4220, 47891), (5770, 35026), (11540, 17513)]

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