20493690

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{4243}}^1$

素因数の和:4283

約数の個数: 64

約数和(自身を含む): 58669056

約数和(自身を除く): 38175366

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 23, 30, 35, 42, 46, 69, 70, 105, 115, 138, 161, 210, 230, 322, 345, 483, 690, 805, 966, 1610, 2415, 4243, 4830, 8486, 12729, 21215, 25458, 29701, 42430, 59402, 63645, 89103, 97589, 127290, 148505, 178206, 195178, 292767, 297010, 445515, 487945, 585534, 683123, 891030, 975890, 1366246, 1463835, 2049369, 2927670, 3415615, 4098738, 6831230, 10246845, 20493690]

約数ペア:

[(1, 20493690), (2, 10246845), (3, 6831230), (5, 4098738), (6, 3415615), (7, 2927670), (10, 2049369), (14, 1463835), (15, 1366246), (21, 975890), (23, 891030), (30, 683123), (35, 585534), (42, 487945), (46, 445515), (69, 297010), (70, 292767), (105, 195178), (115, 178206), (138, 148505), (161, 127290), (210, 97589), (230, 89103), (322, 63645), (345, 59402), (483, 42430), (690, 29701), (805, 25458), (966, 21215), (1610, 12729), (2415, 8486), (4243, 4830)]