20447730

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{3391}}^1$

素因数の和:3471

約数の個数: 48

約数和(自身を含む): 53973504

約数和(自身を除く): 33525774

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 67, 90, 134, 201, 335, 402, 603, 670, 1005, 1206, 2010, 3015, 3391, 6030, 6782, 10173, 16955, 20346, 30519, 33910, 50865, 61038, 101730, 152595, 227197, 305190, 454394, 681591, 1135985, 1363182, 2044773, 2271970, 3407955, 4089546, 6815910, 10223865, 20447730]

約数ペア:

[(1, 20447730), (2, 10223865), (3, 6815910), (5, 4089546), (6, 3407955), (9, 2271970), (10, 2044773), (15, 1363182), (18, 1135985), (30, 681591), (45, 454394), (67, 305190), (90, 227197), (134, 152595), (201, 101730), (335, 61038), (402, 50865), (603, 33910), (670, 30519), (1005, 20346), (1206, 16955), (2010, 10173), (3015, 6782), (3391, 6030)]