20421930

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1741}}^1$

素因数の和:1791

約数の個数: 64

約数和(自身を含む): 54183168

約数和(自身を除く): 33761238

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 23, 30, 34, 46, 51, 69, 85, 102, 115, 138, 170, 230, 255, 345, 391, 510, 690, 782, 1173, 1741, 1955, 2346, 3482, 3910, 5223, 5865, 8705, 10446, 11730, 17410, 26115, 29597, 40043, 52230, 59194, 80086, 88791, 120129, 147985, 177582, 200215, 240258, 295970, 400430, 443955, 600645, 680731, 887910, 1201290, 1361462, 2042193, 3403655, 4084386, 6807310, 10210965, 20421930]

約数ペア:

[(1, 20421930), (2, 10210965), (3, 6807310), (5, 4084386), (6, 3403655), (10, 2042193), (15, 1361462), (17, 1201290), (23, 887910), (30, 680731), (34, 600645), (46, 443955), (51, 400430), (69, 295970), (85, 240258), (102, 200215), (115, 177582), (138, 147985), (170, 120129), (230, 88791), (255, 80086), (345, 59194), (391, 52230), (510, 40043), (690, 29597), (782, 26115), (1173, 17410), (1741, 11730), (1955, 10446), (2346, 8705), (3482, 5865), (3910, 5223)]