20135820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1039}}^1$

素因数の和:1087

約数の個数: 96

約数和(自身を含む): 62899200

約数和(自身を除く): 42763380

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 19, 20, 30, 34, 38, 51, 57, 60, 68, 76, 85, 95, 102, 114, 170, 190, 204, 228, 255, 285, 323, 340, 380, 510, 570, 646, 969, 1020, 1039, 1140, 1292, 1615, 1938, 2078, 3117, 3230, 3876, 4156, 4845, 5195, 6234, 6460, 9690, 10390, 12468, 15585, 17663, 19380, 19741, 20780, 31170, 35326, 39482, 52989, 59223, 62340, 70652, 78964, 88315, 98705, 105978, 118446, 176630, 197410, 211956, 236892, 264945, 296115, 335597, 353260, 394820, 529890, 592230, 671194, 1006791, 1059780, 1184460, 1342388, 1677985, 2013582, 3355970, 4027164, 5033955, 6711940, 10067910, 20135820]

約数ペア:

[(1, 20135820), (2, 10067910), (3, 6711940), (4, 5033955), (5, 4027164), (6, 3355970), (10, 2013582), (12, 1677985), (15, 1342388), (17, 1184460), (19, 1059780), (20, 1006791), (30, 671194), (34, 592230), (38, 529890), (51, 394820), (57, 353260), (60, 335597), (68, 296115), (76, 264945), (85, 236892), (95, 211956), (102, 197410), (114, 176630), (170, 118446), (190, 105978), (204, 98705), (228, 88315), (255, 78964), (285, 70652), (323, 62340), (340, 59223), (380, 52989), (510, 39482), (570, 35326), (646, 31170), (969, 20780), (1020, 19741), (1039, 19380), (1140, 17663), (1292, 15585), (1615, 12468), (1938, 10390), (2078, 9690), (3117, 6460), (3230, 6234), (3876, 5195), (4156, 4845)]