20876640915

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1\times {\mathrm{17377}}^1$

素因数の和:17560

約数の個数: 64

約数和(自身を含む): 36925886592

約数和(自身を除く): 16049245677

約数列:

[1, 3, 5, 13, 15, 39, 61, 65, 101, 183, 195, 303, 305, 505, 793, 915, 1313, 1515, 2379, 3939, 3965, 6161, 6565, 11895, 17377, 18483, 19695, 30805, 52131, 80093, 86885, 92415, 225901, 240279, 260655, 400465, 677703, 1059997, 1129505, 1201395, 1755077, 3179991, 3388515, 5265231, 5299985, 8775385, 13779961, 15899955, 22816001, 26326155, 41339883, 68448003, 68899805, 107059697, 114080005, 206699415, 321179091, 342240015, 535298485, 1391776061, 1605895455, 4175328183, 6958880305, 20876640915]

約数ペア:

[(1, 20876640915), (3, 6958880305), (5, 4175328183), (13, 1605895455), (15, 1391776061), (39, 535298485), (61, 342240015), (65, 321179091), (101, 206699415), (183, 114080005), (195, 107059697), (303, 68899805), (305, 68448003), (505, 41339883), (793, 26326155), (915, 22816001), (1313, 15899955), (1515, 13779961), (2379, 8775385), (3939, 5299985), (3965, 5265231), (6161, 3388515), (6565, 3179991), (11895, 1755077), (17377, 1201395), (18483, 1129505), (19695, 1059997), (30805, 677703), (52131, 400465), (80093, 260655), (86885, 240279), (92415, 225901)]