20788950

素因数分解:

$2^1\times 3^1\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1523}}^1$

素因数の和:1558

約数の個数: 96

約数和(自身を含む): 63495936

約数和(自身を除く): 42706986

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 21, 25, 26, 30, 35, 39, 42, 50, 65, 70, 75, 78, 91, 105, 130, 150, 175, 182, 195, 210, 273, 325, 350, 390, 455, 525, 546, 650, 910, 975, 1050, 1365, 1523, 1950, 2275, 2730, 3046, 4550, 4569, 6825, 7615, 9138, 10661, 13650, 15230, 19799, 21322, 22845, 31983, 38075, 39598, 45690, 53305, 59397, 63966, 76150, 98995, 106610, 114225, 118794, 138593, 159915, 197990, 228450, 266525, 277186, 296985, 319830, 415779, 494975, 533050, 593970, 692965, 799575, 831558, 989950, 1385930, 1484925, 1599150, 2078895, 2969850, 3464825, 4157790, 6929650, 10394475, 20788950]

約数ペア:

[(1, 20788950), (2, 10394475), (3, 6929650), (5, 4157790), (6, 3464825), (7, 2969850), (10, 2078895), (13, 1599150), (14, 1484925), (15, 1385930), (21, 989950), (25, 831558), (26, 799575), (30, 692965), (35, 593970), (39, 533050), (42, 494975), (50, 415779), (65, 319830), (70, 296985), (75, 277186), (78, 266525), (91, 228450), (105, 197990), (130, 159915), (150, 138593), (175, 118794), (182, 114225), (195, 106610), (210, 98995), (273, 76150), (325, 63966), (350, 59397), (390, 53305), (455, 45690), (525, 39598), (546, 38075), (650, 31983), (910, 22845), (975, 21322), (1050, 19799), (1365, 15230), (1523, 13650), (1950, 10661), (2275, 9138), (2730, 7615), (3046, 6825), (4550, 4569)]