20136303980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{7561}}^1\times {\mathrm{10243}}^1$

素因数の和:17826

約数の個数: 48

約数和(自身を含む): 45549495264

約数和(自身を除く): 25413191284

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 7561, 10243, 15122, 20486, 30244, 37805, 40972, 51215, 75610, 98293, 102430, 133159, 151220, 196586, 204860, 266318, 393172, 491465, 532636, 665795, 982930, 1331590, 1965860, 2663180, 77447323, 154894646, 309789292, 387236615, 774473230, 1006815199, 1548946460, 2013630398, 4027260796, 5034075995, 10068151990, 20136303980]

約数ペア:

[(1, 20136303980), (2, 10068151990), (4, 5034075995), (5, 4027260796), (10, 2013630398), (13, 1548946460), (20, 1006815199), (26, 774473230), (52, 387236615), (65, 309789292), (130, 154894646), (260, 77447323), (7561, 2663180), (10243, 1965860), (15122, 1331590), (20486, 982930), (30244, 665795), (37805, 532636), (40972, 491465), (51215, 393172), (75610, 266318), (98293, 204860), (102430, 196586), (133159, 151220)]